416444080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12917}}^1$

素因数の和:12974

約数の個数: 80

約数和(自身を含む): 1076431104

約数和(自身を除く): 659987024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 12917, 16120, 25834, 32240, 51668, 64585, 103336, 129170, 167921, 206672, 258340, 335842, 400427, 516680, 671684, 800854, 839605, 1033360, 1343368, 1601708, 1679210, 2002135, 2686736, 3203416, 3358420, 4004270, 5205551, 6406832, 6716840, 8008540, 10411102, 13433680, 16017080, 20822204, 26027755, 32034160, 41644408, 52055510, 83288816, 104111020, 208222040, 416444080]

約数ペア:

[(1, 416444080), (2, 208222040), (4, 104111020), (5, 83288816), (8, 52055510), (10, 41644408), (13, 32034160), (16, 26027755), (20, 20822204), (26, 16017080), (31, 13433680), (40, 10411102), (52, 8008540), (62, 6716840), (65, 6406832), (80, 5205551), (104, 4004270), (124, 3358420), (130, 3203416), (155, 2686736), (208, 2002135), (248, 1679210), (260, 1601708), (310, 1343368), (403, 1033360), (496, 839605), (520, 800854), (620, 671684), (806, 516680), (1040, 400427), (1240, 335842), (1612, 258340), (2015, 206672), (2480, 167921), (3224, 129170), (4030, 103336), (6448, 64585), (8060, 51668), (12917, 32240), (16120, 25834)]