15994760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12899}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 21157240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12899, 25798, 51596, 64495, 103192, 128990, 257980, 399869, 515960, 799738, 1599476, 1999345, 3198952, 3998690, 7997380, 15994760]

約数ペア:

[(1, 15994760), (2, 7997380), (4, 3998690), (5, 3198952), (8, 1999345), (10, 1599476), (20, 799738), (31, 515960), (40, 399869), (62, 257980), (124, 128990), (155, 103192), (248, 64495), (310, 51596), (620, 25798), (1240, 12899)]