72029840

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1303}}^1$

素因数の和:2007

約数の個数: 40

約数和(自身を含む): 167840448

約数和(自身を除く): 95810608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1303, 1382, 2606, 2764, 3455, 5212, 5528, 6515, 6910, 10424, 11056, 13030, 13820, 20848, 26060, 27640, 52120, 55280, 104240, 900373, 1800746, 3601492, 4501865, 7202984, 9003730, 14405968, 18007460, 36014920, 72029840]

約数ペア:

[(1, 72029840), (2, 36014920), (4, 18007460), (5, 14405968), (8, 9003730), (10, 7202984), (16, 4501865), (20, 3601492), (40, 1800746), (80, 900373), (691, 104240), (1303, 55280), (1382, 52120), (2606, 27640), (2764, 26060), (3455, 20848), (5212, 13820), (5528, 13030), (6515, 11056), (6910, 10424)]