25555140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 85245888

約数和(自身を除く): 59690748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 163, 180, 195, 201, 234, 260, 268, 326, 335, 390, 402, 468, 489, 585, 603, 652, 670, 780, 804, 815, 871, 978, 1005, 1170, 1206, 1340, 1467, 1630, 1742, 1956, 2010, 2119, 2340, 2412, 2445, 2613, 2934, 3015, 3260, 3484, 4020, 4238, 4355, 4890, 5226, 5868, 6030, 6357, 7335, 7839, 8476, 8710, 9780, 10452, 10595, 10921, 12060, 12714, 13065, 14670, 15678, 17420, 19071, 21190, 21842, 25428, 26130, 29340, 31356, 31785, 32763, 38142, 39195, 42380, 43684, 52260, 54605, 63570, 65526, 76284, 78390, 95355, 98289, 109210, 127140, 131052, 141973, 156780, 163815, 190710, 196578, 218420, 283946, 327630, 381420, 393156, 425919, 491445, 567892, 655260, 709865, 851838, 982890, 1277757, 1419730, 1703676, 1965780, 2129595, 2555514, 2839460, 4259190, 5111028, 6388785, 8518380, 12777570, 25555140]

約数ペア:

[(1, 25555140), (2, 12777570), (3, 8518380), (4, 6388785), (5, 5111028), (6, 4259190), (9, 2839460), (10, 2555514), (12, 2129595), (13, 1965780), (15, 1703676), (18, 1419730), (20, 1277757), (26, 982890), (30, 851838), (36, 709865), (39, 655260), (45, 567892), (52, 491445), (60, 425919), (65, 393156), (67, 381420), (78, 327630), (90, 283946), (117, 218420), (130, 196578), (134, 190710), (156, 163815), (163, 156780), (180, 141973), (195, 131052), (201, 127140), (234, 109210), (260, 98289), (268, 95355), (326, 78390), (335, 76284), (390, 65526), (402, 63570), (468, 54605), (489, 52260), (585, 43684), (603, 42380), (652, 39195), (670, 38142), (780, 32763), (804, 31785), (815, 31356), (871, 29340), (978, 26130), (1005, 25428), (1170, 21842), (1206, 21190), (1340, 19071), (1467, 17420), (1630, 15678), (1742, 14670), (1956, 13065), (2010, 12714), (2119, 12060), (2340, 10921), (2412, 10595), (2445, 10452), (2613, 9780), (2934, 8710), (3015, 8476), (3260, 7839), (3484, 7335), (4020, 6357), (4238, 6030), (4355, 5868), (4890, 5226)]