25957100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 62266848

約数和(自身を除く): 36309748

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 487, 533, 650, 820, 974, 1025, 1066, 1300, 1948, 2050, 2132, 2435, 2665, 4100, 4870, 5330, 6331, 9740, 10660, 12175, 12662, 13325, 19967, 24350, 25324, 26650, 31655, 39934, 48700, 53300, 63310, 79868, 99835, 126620, 158275, 199670, 259571, 316550, 399340, 499175, 519142, 633100, 998350, 1038284, 1297855, 1996700, 2595710, 5191420, 6489275, 12978550, 25957100]

約数ペア:

[(1, 25957100), (2, 12978550), (4, 6489275), (5, 5191420), (10, 2595710), (13, 1996700), (20, 1297855), (25, 1038284), (26, 998350), (41, 633100), (50, 519142), (52, 499175), (65, 399340), (82, 316550), (100, 259571), (130, 199670), (164, 158275), (205, 126620), (260, 99835), (325, 79868), (410, 63310), (487, 53300), (533, 48700), (650, 39934), (820, 31655), (974, 26650), (1025, 25324), (1066, 24350), (1300, 19967), (1948, 13325), (2050, 12662), (2132, 12175), (2435, 10660), (2665, 9740), (4100, 6331), (4870, 5330)]