55964180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 121504320

約数和(自身を除く): 65540140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 491, 556, 695, 820, 982, 1390, 1964, 2455, 2780, 4910, 5699, 9820, 11398, 20131, 22796, 28495, 40262, 56990, 68249, 80524, 100655, 113980, 136498, 201310, 272996, 341245, 402620, 682490, 1364980, 2798209, 5596418, 11192836, 13991045, 27982090, 55964180]

約数ペア:

[(1, 55964180), (2, 27982090), (4, 13991045), (5, 11192836), (10, 5596418), (20, 2798209), (41, 1364980), (82, 682490), (139, 402620), (164, 341245), (205, 272996), (278, 201310), (410, 136498), (491, 113980), (556, 100655), (695, 80524), (820, 68249), (982, 56990), (1390, 40262), (1964, 28495), (2455, 22796), (2780, 20131), (4910, 11398), (5699, 9820)]