42888040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 105557760

約数和(自身を除く): 62669720

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, 1231, 1340, 1742, 2462, 2680, 3484, 4355, 4924, 6155, 6968, 8710, 9848, 12310, 16003, 17420, 24620, 32006, 34840, 49240, 64012, 80015, 82477, 128024, 160030, 164954, 320060, 329908, 412385, 640120, 659816, 824770, 1072201, 1649540, 2144402, 3299080, 4288804, 5361005, 8577608, 10722010, 21444020, 42888040]

約数ペア:

[(1, 42888040), (2, 21444020), (4, 10722010), (5, 8577608), (8, 5361005), (10, 4288804), (13, 3299080), (20, 2144402), (26, 1649540), (40, 1072201), (52, 824770), (65, 659816), (67, 640120), (104, 412385), (130, 329908), (134, 320060), (260, 164954), (268, 160030), (335, 128024), (520, 82477), (536, 80015), (670, 64012), (871, 49240), (1231, 34840), (1340, 32006), (1742, 24620), (2462, 17420), (2680, 16003), (3484, 12310), (4355, 9848), (4924, 8710), (6155, 6968)]