26246980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 61891200

約数和(自身を除く): 35644220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 239, 289, 323, 340, 380, 478, 578, 646, 956, 1156, 1195, 1292, 1445, 1615, 2390, 2890, 3230, 4063, 4541, 4780, 5491, 5780, 6460, 8126, 9082, 10982, 16252, 18164, 20315, 21964, 22705, 27455, 40630, 45410, 54910, 69071, 77197, 81260, 90820, 109820, 138142, 154394, 276284, 308788, 345355, 385985, 690710, 771970, 1312349, 1381420, 1543940, 2624698, 5249396, 6561745, 13123490, 26246980]

約数ペア:

[(1, 26246980), (2, 13123490), (4, 6561745), (5, 5249396), (10, 2624698), (17, 1543940), (19, 1381420), (20, 1312349), (34, 771970), (38, 690710), (68, 385985), (76, 345355), (85, 308788), (95, 276284), (170, 154394), (190, 138142), (239, 109820), (289, 90820), (323, 81260), (340, 77197), (380, 69071), (478, 54910), (578, 45410), (646, 40630), (956, 27455), (1156, 22705), (1195, 21964), (1292, 20315), (1445, 18164), (1615, 16252), (2390, 10982), (2890, 9082), (3230, 8126), (4063, 6460), (4541, 5780), (4780, 5491)]