25305920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2599

約数の個数: 56

約数和(自身を含む): 62227968

約数和(自身を除く): 36922048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 2551, 4960, 5102, 9920, 10204, 12755, 20408, 25510, 40816, 51020, 79081, 81632, 102040, 158162, 163264, 204080, 316324, 395405, 408160, 632648, 790810, 816320, 1265296, 1581620, 2530592, 3163240, 5061184, 6326480, 12652960, 25305920]

約数ペア:

[(1, 25305920), (2, 12652960), (4, 6326480), (5, 5061184), (8, 3163240), (10, 2530592), (16, 1581620), (20, 1265296), (31, 816320), (32, 790810), (40, 632648), (62, 408160), (64, 395405), (80, 316324), (124, 204080), (155, 163264), (160, 158162), (248, 102040), (310, 81632), (320, 79081), (496, 51020), (620, 40816), (992, 25510), (1240, 20408), (1984, 12755), (2480, 10204), (2551, 9920), (4960, 5102)]