28295150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 57371328

約数和(自身を除く): 29076178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 431, 505, 650, 862, 1010, 1313, 2155, 2525, 2626, 4310, 5050, 5603, 6565, 10775, 11206, 13130, 21550, 28015, 32825, 43531, 56030, 65650, 87062, 140075, 217655, 280150, 435310, 565903, 1088275, 1131806, 2176550, 2829515, 5659030, 14147575, 28295150]

約数ペア:

[(1, 28295150), (2, 14147575), (5, 5659030), (10, 2829515), (13, 2176550), (25, 1131806), (26, 1088275), (50, 565903), (65, 435310), (101, 280150), (130, 217655), (202, 140075), (325, 87062), (431, 65650), (505, 56030), (650, 43531), (862, 32825), (1010, 28015), (1313, 21550), (2155, 13130), (2525, 11206), (2626, 10775), (4310, 6565), (5050, 5603)]