51667720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1483}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 127149120

約数和(自身を除く): 75481400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1483, 1742, 2680, 2966, 3484, 4355, 5932, 6968, 7415, 8710, 11864, 14830, 17420, 19279, 29660, 34840, 38558, 59320, 77116, 96395, 99361, 154232, 192790, 198722, 385580, 397444, 496805, 771160, 794888, 993610, 1291693, 1987220, 2583386, 3974440, 5166772, 6458465, 10333544, 12916930, 25833860, 51667720]

約数ペア:

[(1, 51667720), (2, 25833860), (4, 12916930), (5, 10333544), (8, 6458465), (10, 5166772), (13, 3974440), (20, 2583386), (26, 1987220), (40, 1291693), (52, 993610), (65, 794888), (67, 771160), (104, 496805), (130, 397444), (134, 385580), (260, 198722), (268, 192790), (335, 154232), (520, 99361), (536, 96395), (670, 77116), (871, 59320), (1340, 38558), (1483, 34840), (1742, 29660), (2680, 19279), (2966, 17420), (3484, 14830), (4355, 11864), (5932, 8710), (6968, 7415)]