30280840

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1181}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 68295960

約数和(自身を除く): 38015120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1181, 1282, 2362, 2564, 3205, 4724, 5128, 5905, 6410, 9448, 11810, 12820, 23620, 25640, 47240, 757021, 1514042, 3028084, 3785105, 6056168, 7570210, 15140420, 30280840]

約数ペア:

[(1, 30280840), (2, 15140420), (4, 7570210), (5, 6056168), (8, 3785105), (10, 3028084), (20, 1514042), (40, 757021), (641, 47240), (1181, 25640), (1282, 23620), (2362, 12820), (2564, 11810), (3205, 9448), (4724, 6410), (5128, 5905)]