40081120

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 95080608

約数和(自身を除く): 54999488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 631, 794, 1262, 1588, 1985, 2524, 3155, 3176, 3970, 5048, 6310, 6352, 7940, 10096, 12620, 12704, 15880, 20192, 25240, 31760, 50480, 63520, 100960, 250507, 501014, 1002028, 1252535, 2004056, 2505070, 4008112, 5010140, 8016224, 10020280, 20040560, 40081120]

約数ペア:

[(1, 40081120), (2, 20040560), (4, 10020280), (5, 8016224), (8, 5010140), (10, 4008112), (16, 2505070), (20, 2004056), (32, 1252535), (40, 1002028), (80, 501014), (160, 250507), (397, 100960), (631, 63520), (794, 50480), (1262, 31760), (1588, 25240), (1985, 20192), (2524, 15880), (3155, 12704), (3176, 12620), (3970, 10096), (5048, 7940), (6310, 6352)]