2653018951640

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{673}}^1\times {\mathrm{153269}}^1$

素因数の和:154596

約数の個数: 64

約数和(自身を含む): 5987498680800

約数和(自身を除く): 3334479729160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 673, 1286, 1346, 2572, 2692, 3215, 3365, 5144, 5384, 6430, 6730, 12860, 13460, 25720, 26920, 153269, 306538, 432739, 613076, 766345, 865478, 1226152, 1532690, 1730956, 2163695, 3065380, 3461912, 4327390, 6130760, 8654780, 17309560, 98551967, 103150037, 197103934, 206300074, 394207868, 412600148, 492759835, 515750185, 788415736, 825200296, 985519670, 1031500370, 1971039340, 2063000740, 3942078680, 4126001480, 66325473791, 132650947582, 265301895164, 331627368955, 530603790328, 663254737910, 1326509475820, 2653018951640]

約数ペア:

[(1, 2653018951640), (2, 1326509475820), (4, 663254737910), (5, 530603790328), (8, 331627368955), (10, 265301895164), (20, 132650947582), (40, 66325473791), (643, 4126001480), (673, 3942078680), (1286, 2063000740), (1346, 1971039340), (2572, 1031500370), (2692, 985519670), (3215, 825200296), (3365, 788415736), (5144, 515750185), (5384, 492759835), (6430, 412600148), (6730, 394207868), (12860, 206300074), (13460, 197103934), (25720, 103150037), (26920, 98551967), (153269, 17309560), (306538, 8654780), (432739, 6130760), (613076, 4327390), (766345, 3461912), (865478, 3065380), (1226152, 2163695), (1532690, 1730956)]