42205540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 95961600

約数和(自身を除く): 53756060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 599, 1084, 1198, 1355, 2396, 2710, 2995, 3523, 5420, 5990, 7046, 7787, 11980, 14092, 15574, 17615, 31148, 35230, 38935, 70460, 77870, 155740, 162329, 324658, 649316, 811645, 1623290, 2110277, 3246580, 4220554, 8441108, 10551385, 21102770, 42205540]

約数ペア:

[(1, 42205540), (2, 21102770), (4, 10551385), (5, 8441108), (10, 4220554), (13, 3246580), (20, 2110277), (26, 1623290), (52, 811645), (65, 649316), (130, 324658), (260, 162329), (271, 155740), (542, 77870), (599, 70460), (1084, 38935), (1198, 35230), (1355, 31148), (2396, 17615), (2710, 15574), (2995, 14092), (3523, 11980), (5420, 7787), (5990, 7046)]