51067900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 120572144

約数和(自身を除く): 69504244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 163, 241, 260, 325, 326, 482, 650, 652, 815, 964, 1205, 1300, 1630, 2119, 2410, 3133, 3260, 4075, 4238, 4820, 6025, 6266, 8150, 8476, 10595, 12050, 12532, 15665, 16300, 21190, 24100, 31330, 39283, 42380, 52975, 62660, 78325, 78566, 105950, 156650, 157132, 196415, 211900, 313300, 392830, 510679, 785660, 982075, 1021358, 1964150, 2042716, 2553395, 3928300, 5106790, 10213580, 12766975, 25533950, 51067900]

約数ペア:

[(1, 51067900), (2, 25533950), (4, 12766975), (5, 10213580), (10, 5106790), (13, 3928300), (20, 2553395), (25, 2042716), (26, 1964150), (50, 1021358), (52, 982075), (65, 785660), (100, 510679), (130, 392830), (163, 313300), (241, 211900), (260, 196415), (325, 157132), (326, 156650), (482, 105950), (650, 78566), (652, 78325), (815, 62660), (964, 52975), (1205, 42380), (1300, 39283), (1630, 31330), (2119, 24100), (2410, 21190), (3133, 16300), (3260, 15665), (4075, 12532), (4238, 12050), (4820, 10595), (6025, 8476), (6266, 8150)]