28725220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 34270748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 433, 535, 620, 866, 1070, 1732, 2140, 2165, 3317, 4330, 6634, 8660, 13268, 13423, 16585, 26846, 33170, 46331, 53692, 66340, 67115, 92662, 134230, 185324, 231655, 268460, 463310, 926620, 1436261, 2872522, 5745044, 7181305, 14362610, 28725220]

約数ペア:

[(1, 28725220), (2, 14362610), (4, 7181305), (5, 5745044), (10, 2872522), (20, 1436261), (31, 926620), (62, 463310), (107, 268460), (124, 231655), (155, 185324), (214, 134230), (310, 92662), (428, 67115), (433, 66340), (535, 53692), (620, 46331), (866, 33170), (1070, 26846), (1732, 16585), (2140, 13423), (2165, 13268), (3317, 8660), (4330, 6634)]