40309880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 100796400

約数和(自身を除く): 60486520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 89, 104, 130, 134, 169, 178, 260, 268, 335, 338, 356, 445, 520, 536, 670, 676, 712, 845, 871, 890, 1157, 1340, 1352, 1690, 1742, 1780, 2314, 2680, 3380, 3484, 3560, 4355, 4628, 5785, 5963, 6760, 6968, 8710, 9256, 11323, 11570, 11926, 15041, 17420, 22646, 23140, 23852, 29815, 30082, 34840, 45292, 46280, 47704, 56615, 59630, 60164, 75205, 77519, 90584, 113230, 119260, 120328, 150410, 155038, 226460, 238520, 300820, 310076, 387595, 452920, 601640, 620152, 775190, 1007747, 1550380, 2015494, 3100760, 4030988, 5038735, 8061976, 10077470, 20154940, 40309880]

約数ペア:

[(1, 40309880), (2, 20154940), (4, 10077470), (5, 8061976), (8, 5038735), (10, 4030988), (13, 3100760), (20, 2015494), (26, 1550380), (40, 1007747), (52, 775190), (65, 620152), (67, 601640), (89, 452920), (104, 387595), (130, 310076), (134, 300820), (169, 238520), (178, 226460), (260, 155038), (268, 150410), (335, 120328), (338, 119260), (356, 113230), (445, 90584), (520, 77519), (536, 75205), (670, 60164), (676, 59630), (712, 56615), (845, 47704), (871, 46280), (890, 45292), (1157, 34840), (1340, 30082), (1352, 29815), (1690, 23852), (1742, 23140), (1780, 22646), (2314, 17420), (2680, 15041), (3380, 11926), (3484, 11570), (3560, 11323), (4355, 9256), (4628, 8710), (5785, 6968), (5963, 6760)]