28329040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11423}}^1$

素因数の和:11467

約数の個数: 40

約数和(自身を含む): 67995648

約数和(自身を除く): 39666608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11423, 22846, 45692, 57115, 91384, 114230, 182768, 228460, 354113, 456920, 708226, 913840, 1416452, 1770565, 2832904, 3541130, 5665808, 7082260, 14164520, 28329040]

約数ペア:

[(1, 28329040), (2, 14164520), (4, 7082260), (5, 5665808), (8, 3541130), (10, 2832904), (16, 1770565), (20, 1416452), (31, 913840), (40, 708226), (62, 456920), (80, 354113), (124, 228460), (155, 182768), (248, 114230), (310, 91384), (496, 57115), (620, 45692), (1240, 22846), (2480, 11423)]