2689291280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{2851}}^1$

素因数の和:3784

約数の個数: 80

約数和(自身を含む): 6743360064

約数和(自身を除く): 4054068784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 907, 1040, 1814, 2851, 3628, 4535, 5702, 7256, 9070, 11404, 11791, 14255, 14512, 18140, 22808, 23582, 28510, 36280, 37063, 45616, 47164, 57020, 58955, 72560, 74126, 94328, 114040, 117910, 148252, 185315, 188656, 228080, 235820, 296504, 370630, 471640, 593008, 741260, 943280, 1482520, 2585857, 2965040, 5171714, 10343428, 12929285, 20686856, 25858570, 33616141, 41373712, 51717140, 67232282, 103434280, 134464564, 168080705, 206868560, 268929128, 336161410, 537858256, 672322820, 1344645640, 2689291280]

約数ペア:

[(1, 2689291280), (2, 1344645640), (4, 672322820), (5, 537858256), (8, 336161410), (10, 268929128), (13, 206868560), (16, 168080705), (20, 134464564), (26, 103434280), (40, 67232282), (52, 51717140), (65, 41373712), (80, 33616141), (104, 25858570), (130, 20686856), (208, 12929285), (260, 10343428), (520, 5171714), (907, 2965040), (1040, 2585857), (1814, 1482520), (2851, 943280), (3628, 741260), (4535, 593008), (5702, 471640), (7256, 370630), (9070, 296504), (11404, 235820), (11791, 228080), (14255, 188656), (14512, 185315), (18140, 148252), (22808, 117910), (23582, 114040), (28510, 94328), (36280, 74126), (37063, 72560), (45616, 58955), (47164, 57020)]