65679920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 159326112

約数和(自身を除く): 93646192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 313, 344, 430, 488, 610, 626, 688, 860, 976, 1220, 1252, 1565, 1720, 2440, 2504, 2623, 3130, 3440, 4880, 5008, 5246, 6260, 10492, 12520, 13115, 13459, 19093, 20984, 25040, 26230, 26918, 38186, 41968, 52460, 53836, 67295, 76372, 95465, 104920, 107672, 134590, 152744, 190930, 209840, 215344, 269180, 305488, 381860, 538360, 763720, 820999, 1076720, 1527440, 1641998, 3283996, 4104995, 6567992, 8209990, 13135984, 16419980, 32839960, 65679920]

約数ペア:

[(1, 65679920), (2, 32839960), (4, 16419980), (5, 13135984), (8, 8209990), (10, 6567992), (16, 4104995), (20, 3283996), (40, 1641998), (43, 1527440), (61, 1076720), (80, 820999), (86, 763720), (122, 538360), (172, 381860), (215, 305488), (244, 269180), (305, 215344), (313, 209840), (344, 190930), (430, 152744), (488, 134590), (610, 107672), (626, 104920), (688, 95465), (860, 76372), (976, 67295), (1220, 53836), (1252, 52460), (1565, 41968), (1720, 38186), (2440, 26918), (2504, 26230), (2623, 25040), (3130, 20984), (3440, 19093), (4880, 13459), (5008, 13115), (5246, 12520), (6260, 10492)]