28059650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 55258368

約数和(自身を除く): 27198718

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 155, 215, 310, 421, 430, 775, 842, 1075, 1333, 1550, 2105, 2150, 2666, 4210, 6665, 10525, 13051, 13330, 18103, 21050, 26102, 33325, 36206, 65255, 66650, 90515, 130510, 181030, 326275, 452575, 561193, 652550, 905150, 1122386, 2805965, 5611930, 14029825, 28059650]

約数ペア:

[(1, 28059650), (2, 14029825), (5, 5611930), (10, 2805965), (25, 1122386), (31, 905150), (43, 652550), (50, 561193), (62, 452575), (86, 326275), (155, 181030), (215, 130510), (310, 90515), (421, 66650), (430, 65255), (775, 36206), (842, 33325), (1075, 26102), (1333, 21050), (1550, 18103), (2105, 13330), (2150, 13051), (2666, 10525), (4210, 6665)]