25294750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 52468416

約数和(自身を除く): 27173666

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 181, 215, 250, 325, 362, 430, 559, 650, 905, 1075, 1118, 1625, 1810, 2150, 2353, 2795, 3250, 4525, 4706, 5375, 5590, 7783, 9050, 10750, 11765, 13975, 15566, 22625, 23530, 27950, 38915, 45250, 58825, 69875, 77830, 101179, 117650, 139750, 194575, 202358, 294125, 389150, 505895, 588250, 972875, 1011790, 1945750, 2529475, 5058950, 12647375, 25294750]

約数ペア:

[(1, 25294750), (2, 12647375), (5, 5058950), (10, 2529475), (13, 1945750), (25, 1011790), (26, 972875), (43, 588250), (50, 505895), (65, 389150), (86, 294125), (125, 202358), (130, 194575), (181, 139750), (215, 117650), (250, 101179), (325, 77830), (362, 69875), (430, 58825), (559, 45250), (650, 38915), (905, 27950), (1075, 23530), (1118, 22625), (1625, 15566), (1810, 13975), (2150, 11765), (2353, 10750), (2795, 9050), (3250, 7783), (4525, 5590), (4706, 5375)]