130940680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251809}}^1$

素因数の和:251833

約数の個数: 32

約数和(自身を含む): 317280600

約数和(自身を除く): 186339920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 251809, 503618, 1007236, 1259045, 2014472, 2518090, 3273517, 5036180, 6547034, 10072360, 13094068, 16367585, 26188136, 32735170, 65470340, 130940680]

約数ペア:

[(1, 130940680), (2, 65470340), (4, 32735170), (5, 26188136), (8, 16367585), (10, 13094068), (13, 10072360), (20, 6547034), (26, 5036180), (40, 3273517), (52, 2518090), (65, 2014472), (104, 1259045), (130, 1007236), (260, 503618), (520, 251809)]