80432890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2447}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 153342720

約数和(自身を除く): 72909830

約数列:

[1, 2, 5, 10, 19, 38, 95, 173, 190, 346, 865, 1730, 2447, 3287, 4894, 6574, 12235, 16435, 24470, 32870, 46493, 92986, 232465, 423331, 464930, 846662, 2116655, 4233310, 8043289, 16086578, 40216445, 80432890]

約数ペア:

[(1, 80432890), (2, 40216445), (5, 16086578), (10, 8043289), (19, 4233310), (38, 2116655), (95, 846662), (173, 464930), (190, 423331), (346, 232465), (865, 92986), (1730, 46493), (2447, 32870), (3287, 24470), (4894, 16435), (6574, 12235)]