30520816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 62165664

約数和(自身を除く): 31644848

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 368, 394, 421, 788, 842, 1576, 1684, 3152, 3368, 4531, 6736, 9062, 9683, 18124, 19366, 36248, 38732, 72496, 77464, 82937, 154928, 165874, 331748, 663496, 1326992, 1907551, 3815102, 7630204, 15260408, 30520816]

約数ペア:

[(1, 30520816), (2, 15260408), (4, 7630204), (8, 3815102), (16, 1907551), (23, 1326992), (46, 663496), (92, 331748), (184, 165874), (197, 154928), (368, 82937), (394, 77464), (421, 72496), (788, 38732), (842, 36248), (1576, 19366), (1684, 18124), (3152, 9683), (3368, 9062), (4531, 6736)]