89011520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21397}}^1$

素因数の和:21427

約数の個数: 56

約数和(自身を含む): 228273864

約数和(自身を除く): 139262344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21397, 42794, 85588, 106985, 171176, 213970, 278161, 342352, 427940, 556322, 684704, 855880, 1112644, 1369408, 1390805, 1711760, 2225288, 2781610, 3423520, 4450576, 5563220, 6847040, 8901152, 11126440, 17802304, 22252880, 44505760, 89011520]

約数ペア:

[(1, 89011520), (2, 44505760), (4, 22252880), (5, 17802304), (8, 11126440), (10, 8901152), (13, 6847040), (16, 5563220), (20, 4450576), (26, 3423520), (32, 2781610), (40, 2225288), (52, 1711760), (64, 1390805), (65, 1369408), (80, 1112644), (104, 855880), (130, 684704), (160, 556322), (208, 427940), (260, 342352), (320, 278161), (416, 213970), (520, 171176), (832, 106985), (1040, 85588), (2080, 42794), (4160, 21397)]