53636840

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2731}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 120972960

約数和(自身を除く): 67336120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 2731, 3928, 4910, 5462, 9820, 10924, 13655, 19640, 21848, 27310, 54620, 109240, 1340921, 2681842, 5363684, 6704605, 10727368, 13409210, 26818420, 53636840]

約数ペア:

[(1, 53636840), (2, 26818420), (4, 13409210), (5, 10727368), (8, 6704605), (10, 5363684), (20, 2681842), (40, 1340921), (491, 109240), (982, 54620), (1964, 27310), (2455, 21848), (2731, 19640), (3928, 13655), (4910, 10924), (5462, 9820)]