8291211640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{351919}}^1$

素因数の和:351980

約数の個数: 64

約数和(自身を含む): 20270592000

約数和(自身を除く): 11979380360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 351919, 703838, 1407676, 1759595, 2815352, 3519190, 6686461, 7038380, 10909489, 13372922, 14076760, 21818978, 26745844, 33432305, 43637956, 53491688, 54547445, 66864610, 87275912, 109094890, 133729220, 207280291, 218189780, 267458440, 414560582, 436379560, 829121164, 1036401455, 1658242328, 2072802910, 4145605820, 8291211640]

約数ペア:

[(1, 8291211640), (2, 4145605820), (4, 2072802910), (5, 1658242328), (8, 1036401455), (10, 829121164), (19, 436379560), (20, 414560582), (31, 267458440), (38, 218189780), (40, 207280291), (62, 133729220), (76, 109094890), (95, 87275912), (124, 66864610), (152, 54547445), (155, 53491688), (190, 43637956), (248, 33432305), (310, 26745844), (380, 21818978), (589, 14076760), (620, 13372922), (760, 10909489), (1178, 7038380), (1240, 6686461), (2356, 3519190), (2945, 2815352), (4712, 1759595), (5890, 1407676), (11780, 703838), (23560, 351919)]