64477804520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2857}}^1\times {\mathrm{4993}}^1$

素因数の和:7974

約数の個数: 64

約数和(自身を含む): 146439461520

約数和(自身を除く): 81961657000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2857, 4520, 4993, 5714, 9986, 11428, 14285, 19972, 22856, 24965, 28570, 39944, 49930, 57140, 99860, 114280, 199720, 322841, 564209, 645682, 1128418, 1291364, 1614205, 2256836, 2582728, 2821045, 3228410, 4513672, 5642090, 6456820, 11284180, 12913640, 14265001, 22568360, 28530002, 57060004, 71325005, 114120008, 142650010, 285300020, 570600040, 1611945113, 3223890226, 6447780452, 8059725565, 12895560904, 16119451130, 32238902260, 64477804520]

約数ペア:

[(1, 64477804520), (2, 32238902260), (4, 16119451130), (5, 12895560904), (8, 8059725565), (10, 6447780452), (20, 3223890226), (40, 1611945113), (113, 570600040), (226, 285300020), (452, 142650010), (565, 114120008), (904, 71325005), (1130, 57060004), (2260, 28530002), (2857, 22568360), (4520, 14265001), (4993, 12913640), (5714, 11284180), (9986, 6456820), (11428, 5642090), (14285, 4513672), (19972, 3228410), (22856, 2821045), (24965, 2582728), (28570, 2256836), (39944, 1614205), (49930, 1291364), (57140, 1128418), (99860, 645682), (114280, 564209), (199720, 322841)]