42543520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15641}}^1$

素因数の和:15673

約数の個数: 48

約数和(自身を含む): 106428168

約数和(自身を除く): 63884648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 15641, 31282, 62564, 78205, 125128, 156410, 250256, 265897, 312820, 500512, 531794, 625640, 1063588, 1251280, 1329485, 2127176, 2502560, 2658970, 4254352, 5317940, 8508704, 10635880, 21271760, 42543520]

約数ペア:

[(1, 42543520), (2, 21271760), (4, 10635880), (5, 8508704), (8, 5317940), (10, 4254352), (16, 2658970), (17, 2502560), (20, 2127176), (32, 1329485), (34, 1251280), (40, 1063588), (68, 625640), (80, 531794), (85, 500512), (136, 312820), (160, 265897), (170, 250256), (272, 156410), (340, 125128), (544, 78205), (680, 62564), (1360, 31282), (2720, 15641)]