17485780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 39972240

約数和(自身を除く): 22486460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 617, 1090, 1234, 1417, 2180, 2468, 2834, 3085, 5668, 6170, 7085, 8021, 12340, 14170, 16042, 28340, 32084, 40105, 67253, 80210, 134506, 160420, 269012, 336265, 672530, 874289, 1345060, 1748578, 3497156, 4371445, 8742890, 17485780]

約数ペア:

[(1, 17485780), (2, 8742890), (4, 4371445), (5, 3497156), (10, 1748578), (13, 1345060), (20, 874289), (26, 672530), (52, 336265), (65, 269012), (109, 160420), (130, 134506), (218, 80210), (260, 67253), (436, 40105), (545, 32084), (617, 28340), (1090, 16042), (1234, 14170), (1417, 12340), (2180, 8021), (2468, 7085), (2834, 6170), (3085, 5668)]