31031120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22817}}^1$

素因数の和:22847

約数の個数: 40

約数和(自身を含む): 76394664

約数和(自身を除く): 45363544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22817, 45634, 91268, 114085, 182536, 228170, 365072, 387889, 456340, 775778, 912680, 1551556, 1825360, 1939445, 3103112, 3878890, 6206224, 7757780, 15515560, 31031120]

約数ペア:

[(1, 31031120), (2, 15515560), (4, 7757780), (5, 6206224), (8, 3878890), (10, 3103112), (16, 1939445), (17, 1825360), (20, 1551556), (34, 912680), (40, 775778), (68, 456340), (80, 387889), (85, 365072), (136, 228170), (170, 182536), (272, 114085), (340, 91268), (680, 45634), (1360, 22817)]