52428980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 116544960

約数和(自身を除く): 64115980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 380, 491, 562, 982, 1124, 1405, 1964, 2455, 2810, 4910, 5339, 5620, 9329, 9820, 10678, 18658, 21356, 26695, 37316, 46645, 53390, 93290, 106780, 137971, 186580, 275942, 551884, 689855, 1379710, 2621449, 2759420, 5242898, 10485796, 13107245, 26214490, 52428980]

約数ペア:

[(1, 52428980), (2, 26214490), (4, 13107245), (5, 10485796), (10, 5242898), (19, 2759420), (20, 2621449), (38, 1379710), (76, 689855), (95, 551884), (190, 275942), (281, 186580), (380, 137971), (491, 106780), (562, 93290), (982, 53390), (1124, 46645), (1405, 37316), (1964, 26695), (2455, 21356), (2810, 18658), (4910, 10678), (5339, 9820), (5620, 9329)]