38640880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15581}}^1$

素因数の和:15625

約数の個数: 40

約数和(自身を含む): 92744064

約数和(自身を除く): 54103184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15581, 31162, 62324, 77905, 124648, 155810, 249296, 311620, 483011, 623240, 966022, 1246480, 1932044, 2415055, 3864088, 4830110, 7728176, 9660220, 19320440, 38640880]

約数ペア:

[(1, 38640880), (2, 19320440), (4, 9660220), (5, 7728176), (8, 4830110), (10, 3864088), (16, 2415055), (20, 1932044), (31, 1246480), (40, 966022), (62, 623240), (80, 483011), (124, 311620), (155, 249296), (248, 155810), (310, 124648), (496, 77905), (620, 62324), (1240, 31162), (2480, 15581)]