25380940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 61415424

約数和(自身を除く): 36034484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 67, 94, 124, 130, 134, 155, 188, 235, 260, 268, 310, 335, 403, 470, 611, 620, 670, 806, 871, 940, 1222, 1340, 1457, 1612, 1742, 2015, 2077, 2444, 2914, 3055, 3149, 3484, 4030, 4154, 4355, 5828, 6110, 6298, 7285, 8060, 8308, 8710, 10385, 12220, 12596, 14570, 15745, 17420, 18941, 20770, 27001, 29140, 31490, 37882, 40937, 41540, 54002, 62980, 75764, 81874, 94705, 97619, 108004, 135005, 163748, 189410, 195238, 204685, 270010, 378820, 390476, 409370, 488095, 540020, 818740, 976190, 1269047, 1952380, 2538094, 5076188, 6345235, 12690470, 25380940]

約数ペア:

[(1, 25380940), (2, 12690470), (4, 6345235), (5, 5076188), (10, 2538094), (13, 1952380), (20, 1269047), (26, 976190), (31, 818740), (47, 540020), (52, 488095), (62, 409370), (65, 390476), (67, 378820), (94, 270010), (124, 204685), (130, 195238), (134, 189410), (155, 163748), (188, 135005), (235, 108004), (260, 97619), (268, 94705), (310, 81874), (335, 75764), (403, 62980), (470, 54002), (611, 41540), (620, 40937), (670, 37882), (806, 31490), (871, 29140), (940, 27001), (1222, 20770), (1340, 18941), (1457, 17420), (1612, 15745), (1742, 14570), (2015, 12596), (2077, 12220), (2444, 10385), (2914, 8710), (3055, 8308), (3149, 8060), (3484, 7285), (4030, 6298), (4154, 6110), (4355, 5828)]