28687100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22067}}^1$

素因数の和:22094

約数の個数: 36

約数和(自身を含む): 67042584

約数和(自身を除く): 38355484

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22067, 44134, 88268, 110335, 220670, 286871, 441340, 551675, 573742, 1103350, 1147484, 1434355, 2206700, 2868710, 5737420, 7171775, 14343550, 28687100]

約数ペア:

[(1, 28687100), (2, 14343550), (4, 7171775), (5, 5737420), (10, 2868710), (13, 2206700), (20, 1434355), (25, 1147484), (26, 1103350), (50, 573742), (52, 551675), (65, 441340), (100, 286871), (130, 220670), (260, 110335), (325, 88268), (650, 44134), (1300, 22067)]