8545220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 19495728

約数和(自身を除く): 10950508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 613, 697, 820, 1226, 1394, 2452, 2788, 3065, 3485, 6130, 6970, 10421, 12260, 13940, 20842, 25133, 41684, 50266, 52105, 100532, 104210, 125665, 208420, 251330, 427261, 502660, 854522, 1709044, 2136305, 4272610, 8545220]

約数ペア:

[(1, 8545220), (2, 4272610), (4, 2136305), (5, 1709044), (10, 854522), (17, 502660), (20, 427261), (34, 251330), (41, 208420), (68, 125665), (82, 104210), (85, 100532), (164, 52105), (170, 50266), (205, 41684), (340, 25133), (410, 20842), (613, 13940), (697, 12260), (820, 10421), (1226, 6970), (1394, 6130), (2452, 3485), (2788, 3065)]