214840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 498960

約数和(自身を除く): 284120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 410, 524, 655, 820, 1048, 1310, 1640, 2620, 5240, 5371, 10742, 21484, 26855, 42968, 53710, 107420, 214840]

約数ペア:

[(1, 214840), (2, 107420), (4, 53710), (5, 42968), (8, 26855), (10, 21484), (20, 10742), (40, 5371), (41, 5240), (82, 2620), (131, 1640), (164, 1310), (205, 1048), (262, 820), (328, 655), (410, 524)]