54563720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 73999480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 557, 620, 632, 790, 1114, 1240, 1580, 2228, 2449, 2785, 3160, 4456, 4898, 5570, 9796, 11140, 12245, 17267, 19592, 22280, 24490, 34534, 44003, 48980, 69068, 86335, 88006, 97960, 138136, 172670, 176012, 220015, 345340, 352024, 440030, 690680, 880060, 1364093, 1760120, 2728186, 5456372, 6820465, 10912744, 13640930, 27281860, 54563720]

約数ペア:

[(1, 54563720), (2, 27281860), (4, 13640930), (5, 10912744), (8, 6820465), (10, 5456372), (20, 2728186), (31, 1760120), (40, 1364093), (62, 880060), (79, 690680), (124, 440030), (155, 352024), (158, 345340), (248, 220015), (310, 176012), (316, 172670), (395, 138136), (557, 97960), (620, 88006), (632, 86335), (790, 69068), (1114, 48980), (1240, 44003), (1580, 34534), (2228, 24490), (2449, 22280), (2785, 19592), (3160, 17267), (4456, 12245), (4898, 11140), (5570, 9796)]