3789702920

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{95603}}^1$

素因数の和:96605

約数の個数: 32

約数和(自身を含む): 8535525120

約数和(自身を除く): 4745822200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 95603, 191206, 382412, 478015, 764824, 956030, 1912060, 3824120, 94742573, 189485146, 378970292, 473712865, 757940584, 947425730, 1894851460, 3789702920]

約数ペア:

[(1, 3789702920), (2, 1894851460), (4, 947425730), (5, 757940584), (8, 473712865), (10, 378970292), (20, 189485146), (40, 94742573), (991, 3824120), (1982, 1912060), (3964, 956030), (4955, 764824), (7928, 478015), (9910, 382412), (19820, 191206), (39640, 95603)]