28259600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 73066752

約数和(自身を除く): 44807152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 43, 50, 53, 62, 80, 86, 100, 106, 124, 155, 172, 200, 212, 215, 248, 265, 310, 344, 400, 424, 430, 496, 530, 620, 688, 775, 848, 860, 1060, 1075, 1240, 1325, 1333, 1550, 1643, 1720, 2120, 2150, 2279, 2480, 2650, 2666, 3100, 3286, 3440, 4240, 4300, 4558, 5300, 5332, 6200, 6572, 6665, 8215, 8600, 9116, 10600, 10664, 11395, 12400, 13144, 13330, 16430, 17200, 18232, 21200, 21328, 22790, 26288, 26660, 32860, 33325, 36464, 41075, 45580, 53320, 56975, 65720, 66650, 70649, 82150, 91160, 106640, 113950, 131440, 133300, 141298, 164300, 182320, 227900, 266600, 282596, 328600, 353245, 455800, 533200, 565192, 657200, 706490, 911600, 1130384, 1412980, 1766225, 2825960, 3532450, 5651920, 7064900, 14129800, 28259600]

約数ペア:

[(1, 28259600), (2, 14129800), (4, 7064900), (5, 5651920), (8, 3532450), (10, 2825960), (16, 1766225), (20, 1412980), (25, 1130384), (31, 911600), (40, 706490), (43, 657200), (50, 565192), (53, 533200), (62, 455800), (80, 353245), (86, 328600), (100, 282596), (106, 266600), (124, 227900), (155, 182320), (172, 164300), (200, 141298), (212, 133300), (215, 131440), (248, 113950), (265, 106640), (310, 91160), (344, 82150), (400, 70649), (424, 66650), (430, 65720), (496, 56975), (530, 53320), (620, 45580), (688, 41075), (775, 36464), (848, 33325), (860, 32860), (1060, 26660), (1075, 26288), (1240, 22790), (1325, 21328), (1333, 21200), (1550, 18232), (1643, 17200), (1720, 16430), (2120, 13330), (2150, 13144), (2279, 12400), (2480, 11395), (2650, 10664), (2666, 10600), (3100, 9116), (3286, 8600), (3440, 8215), (4240, 6665), (4300, 6572), (4558, 6200), (5300, 5332)]