2521879120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1659131}}^1$

素因数の和:1659163

約数の個数: 40

約数和(自身を含む): 6171971040

約数和(自身を除く): 3650091920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1659131, 3318262, 6636524, 8295655, 13273048, 16591310, 26546096, 31523489, 33182620, 63046978, 66365240, 126093956, 132730480, 157617445, 252187912, 315234890, 504375824, 630469780, 1260939560, 2521879120]

約数ペア:

[(1, 2521879120), (2, 1260939560), (4, 630469780), (5, 504375824), (8, 315234890), (10, 252187912), (16, 157617445), (19, 132730480), (20, 126093956), (38, 66365240), (40, 63046978), (76, 33182620), (80, 31523489), (95, 26546096), (152, 16591310), (190, 13273048), (304, 8295655), (380, 6636524), (760, 3318262), (1520, 1659131)]