18042843920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{31663}}^1$

素因数の和:32112

約数の個数: 80

約数和(自身を含む): 44524650240

約数和(自身を除く): 26481806320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 419, 680, 838, 1360, 1676, 2095, 3352, 4190, 6704, 7123, 8380, 14246, 16760, 28492, 31663, 33520, 35615, 56984, 63326, 71230, 113968, 126652, 142460, 158315, 253304, 284920, 316630, 506608, 538271, 569840, 633260, 1076542, 1266520, 2153084, 2533040, 2691355, 4306168, 5382710, 8612336, 10765420, 13266797, 21530840, 26533594, 43061680, 53067188, 66333985, 106134376, 132667970, 212268752, 225535549, 265335940, 451071098, 530671880, 902142196, 1061343760, 1127677745, 1804284392, 2255355490, 3608568784, 4510710980, 9021421960, 18042843920]

約数ペア:

[(1, 18042843920), (2, 9021421960), (4, 4510710980), (5, 3608568784), (8, 2255355490), (10, 1804284392), (16, 1127677745), (17, 1061343760), (20, 902142196), (34, 530671880), (40, 451071098), (68, 265335940), (80, 225535549), (85, 212268752), (136, 132667970), (170, 106134376), (272, 66333985), (340, 53067188), (419, 43061680), (680, 26533594), (838, 21530840), (1360, 13266797), (1676, 10765420), (2095, 8612336), (3352, 5382710), (4190, 4306168), (6704, 2691355), (7123, 2533040), (8380, 2153084), (14246, 1266520), (16760, 1076542), (28492, 633260), (31663, 569840), (33520, 538271), (35615, 506608), (56984, 316630), (63326, 284920), (71230, 253304), (113968, 158315), (126652, 142460)]