30905680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29717}}^1$

素因数の和:29743

約数の個数: 40

約数和(自身を含む): 77385672

約数和(自身を除く): 46479992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29717, 59434, 118868, 148585, 237736, 297170, 386321, 475472, 594340, 772642, 1188680, 1545284, 1931605, 2377360, 3090568, 3863210, 6181136, 7726420, 15452840, 30905680]

約数ペア:

[(1, 30905680), (2, 15452840), (4, 7726420), (5, 6181136), (8, 3863210), (10, 3090568), (13, 2377360), (16, 1931605), (20, 1545284), (26, 1188680), (40, 772642), (52, 594340), (65, 475472), (80, 386321), (104, 297170), (130, 237736), (208, 148585), (260, 118868), (520, 59434), (1040, 29717)]