165669580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1399}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 361267200

約数和(自身を除く): 195597620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 764, 955, 1399, 1910, 2798, 3820, 5596, 5921, 6995, 11842, 13990, 23684, 27980, 29605, 43369, 59210, 86738, 118420, 173476, 216845, 267209, 433690, 534418, 867380, 1068836, 1336045, 2672090, 5344180, 8283479, 16566958, 33133916, 41417395, 82834790, 165669580]

約数ペア:

[(1, 165669580), (2, 82834790), (4, 41417395), (5, 33133916), (10, 16566958), (20, 8283479), (31, 5344180), (62, 2672090), (124, 1336045), (155, 1068836), (191, 867380), (310, 534418), (382, 433690), (620, 267209), (764, 216845), (955, 173476), (1399, 118420), (1910, 86738), (2798, 59210), (3820, 43369), (5596, 29605), (5921, 27980), (6995, 23684), (11842, 13990)]