90797020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{659}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 193291560

約数和(自身を除く): 102494540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 659, 830, 1318, 1660, 2636, 3295, 6590, 6889, 13180, 13778, 27556, 34445, 54697, 68890, 109394, 137780, 218788, 273485, 546970, 1093940, 4539851, 9079702, 18159404, 22699255, 45398510, 90797020]

約数ペア:

[(1, 90797020), (2, 45398510), (4, 22699255), (5, 18159404), (10, 9079702), (20, 4539851), (83, 1093940), (166, 546970), (332, 273485), (415, 218788), (659, 137780), (830, 109394), (1318, 68890), (1660, 54697), (2636, 34445), (3295, 27556), (6590, 13778), (6889, 13180)]