16389880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 40692960

約数和(自身を除く): 24303080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 733, 860, 1118, 1466, 1720, 2236, 2795, 2932, 3665, 4472, 5590, 5864, 7330, 9529, 11180, 14660, 19058, 22360, 29320, 31519, 38116, 47645, 63038, 76232, 95290, 126076, 157595, 190580, 252152, 315190, 381160, 409747, 630380, 819494, 1260760, 1638988, 2048735, 3277976, 4097470, 8194940, 16389880]

約数ペア:

[(1, 16389880), (2, 8194940), (4, 4097470), (5, 3277976), (8, 2048735), (10, 1638988), (13, 1260760), (20, 819494), (26, 630380), (40, 409747), (43, 381160), (52, 315190), (65, 252152), (86, 190580), (104, 157595), (130, 126076), (172, 95290), (215, 76232), (260, 63038), (344, 47645), (430, 38116), (520, 31519), (559, 29320), (733, 22360), (860, 19058), (1118, 14660), (1466, 11180), (1720, 9529), (2236, 7330), (2795, 5864), (2932, 5590), (3665, 4472)]