39985040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 100279296

約数和(自身を除く): 60294256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 701, 713, 920, 1240, 1402, 1426, 1840, 2480, 2804, 2852, 3505, 3565, 5608, 5704, 7010, 7130, 11216, 11408, 14020, 14260, 16123, 21731, 28040, 28520, 32246, 43462, 56080, 57040, 64492, 80615, 86924, 108655, 128984, 161230, 173848, 217310, 257968, 322460, 347696, 434620, 499813, 644920, 869240, 999626, 1289840, 1738480, 1999252, 2499065, 3998504, 4998130, 7997008, 9996260, 19992520, 39985040]

約数ペア:

[(1, 39985040), (2, 19992520), (4, 9996260), (5, 7997008), (8, 4998130), (10, 3998504), (16, 2499065), (20, 1999252), (23, 1738480), (31, 1289840), (40, 999626), (46, 869240), (62, 644920), (80, 499813), (92, 434620), (115, 347696), (124, 322460), (155, 257968), (184, 217310), (230, 173848), (248, 161230), (310, 128984), (368, 108655), (460, 86924), (496, 80615), (620, 64492), (701, 57040), (713, 56080), (920, 43462), (1240, 32246), (1402, 28520), (1426, 28040), (1840, 21731), (2480, 16123), (2804, 14260), (2852, 14020), (3505, 11408), (3565, 11216), (5608, 7130), (5704, 7010)]