2783641640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{28027}}^1$

素因数の和:28242

約数の個数: 64

約数和(自身を含む): 6780533760

約数和(自身を除く): 3996892120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 764, 955, 1528, 1910, 2483, 3820, 4966, 7640, 9932, 12415, 19864, 24830, 28027, 49660, 56054, 99320, 112108, 140135, 224216, 280270, 364351, 560540, 728702, 1121080, 1457404, 1821755, 2914808, 3643510, 5353157, 7287020, 10706314, 14574040, 21412628, 26765785, 42825256, 53531570, 69591041, 107063140, 139182082, 214126280, 278364164, 347955205, 556728328, 695910410, 1391820820, 2783641640]

約数ペア:

[(1, 2783641640), (2, 1391820820), (4, 695910410), (5, 556728328), (8, 347955205), (10, 278364164), (13, 214126280), (20, 139182082), (26, 107063140), (40, 69591041), (52, 53531570), (65, 42825256), (104, 26765785), (130, 21412628), (191, 14574040), (260, 10706314), (382, 7287020), (520, 5353157), (764, 3643510), (955, 2914808), (1528, 1821755), (1910, 1457404), (2483, 1121080), (3820, 728702), (4966, 560540), (7640, 364351), (9932, 280270), (12415, 224216), (19864, 140135), (24830, 112108), (28027, 99320), (49660, 56054)]