65277320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 88998520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 863, 1220, 1240, 1726, 1891, 2440, 3452, 3782, 4315, 6904, 7564, 8630, 9455, 15128, 17260, 18910, 26753, 34520, 37820, 52643, 53506, 75640, 105286, 107012, 133765, 210572, 214024, 263215, 267530, 421144, 526430, 535060, 1052860, 1070120, 1631933, 2105720, 3263866, 6527732, 8159665, 13055464, 16319330, 32638660, 65277320]

約数ペア:

[(1, 65277320), (2, 32638660), (4, 16319330), (5, 13055464), (8, 8159665), (10, 6527732), (20, 3263866), (31, 2105720), (40, 1631933), (61, 1070120), (62, 1052860), (122, 535060), (124, 526430), (155, 421144), (244, 267530), (248, 263215), (305, 214024), (310, 210572), (488, 133765), (610, 107012), (620, 105286), (863, 75640), (1220, 53506), (1240, 52643), (1726, 37820), (1891, 34520), (2440, 26753), (3452, 18910), (3782, 17260), (4315, 15128), (6904, 9455), (7564, 8630)]