80446210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 167378400

約数和(自身を除く): 86932190

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 409, 442, 445, 818, 890, 1105, 1157, 1513, 2045, 2210, 2314, 3026, 4090, 5317, 5785, 6953, 7565, 10634, 11570, 13906, 15130, 19669, 26585, 34765, 36401, 39338, 53170, 69530, 72802, 90389, 98345, 180778, 182005, 196690, 364010, 451945, 473213, 618817, 903890, 946426, 1237634, 2366065, 3094085, 4732130, 6188170, 8044621, 16089242, 40223105, 80446210]

約数ペア:

[(1, 80446210), (2, 40223105), (5, 16089242), (10, 8044621), (13, 6188170), (17, 4732130), (26, 3094085), (34, 2366065), (65, 1237634), (85, 946426), (89, 903890), (130, 618817), (170, 473213), (178, 451945), (221, 364010), (409, 196690), (442, 182005), (445, 180778), (818, 98345), (890, 90389), (1105, 72802), (1157, 69530), (1513, 53170), (2045, 39338), (2210, 36401), (2314, 34765), (3026, 26585), (4090, 19669), (5317, 15130), (5785, 13906), (6953, 11570), (7565, 10634)]