28326250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 80

約数和(自身を含む): 59380992

約数和(自身を除く): 31054742

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 43, 50, 62, 85, 86, 125, 155, 170, 215, 250, 310, 425, 430, 527, 625, 731, 775, 850, 1054, 1075, 1250, 1333, 1462, 1550, 2125, 2150, 2635, 2666, 3655, 3875, 4250, 5270, 5375, 6665, 7310, 7750, 10625, 10750, 13175, 13330, 18275, 19375, 21250, 22661, 26350, 26875, 33325, 36550, 38750, 45322, 53750, 65875, 66650, 91375, 113305, 131750, 166625, 182750, 226610, 329375, 333250, 456875, 566525, 658750, 833125, 913750, 1133050, 1666250, 2832625, 5665250, 14163125, 28326250]

約数ペア:

[(1, 28326250), (2, 14163125), (5, 5665250), (10, 2832625), (17, 1666250), (25, 1133050), (31, 913750), (34, 833125), (43, 658750), (50, 566525), (62, 456875), (85, 333250), (86, 329375), (125, 226610), (155, 182750), (170, 166625), (215, 131750), (250, 113305), (310, 91375), (425, 66650), (430, 65875), (527, 53750), (625, 45322), (731, 38750), (775, 36550), (850, 33325), (1054, 26875), (1075, 26350), (1250, 22661), (1333, 21250), (1462, 19375), (1550, 18275), (2125, 13330), (2150, 13175), (2635, 10750), (2666, 10625), (3655, 7750), (3875, 7310), (4250, 6665), (5270, 5375)]