28468720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1$

素因数の和:1802

約数の個数: 80

約数和(自身を含む): 78298560

約数和(自身を除く): 49829840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1753, 2030, 2320, 3248, 3506, 4060, 7012, 8120, 8765, 12271, 14024, 16240, 17530, 24542, 28048, 35060, 49084, 50837, 61355, 70120, 98168, 101674, 122710, 140240, 196336, 203348, 245420, 254185, 355859, 406696, 490840, 508370, 711718, 813392, 981680, 1016740, 1423436, 1779295, 2033480, 2846872, 3558590, 4066960, 5693744, 7117180, 14234360, 28468720]

約数ペア:

[(1, 28468720), (2, 14234360), (4, 7117180), (5, 5693744), (7, 4066960), (8, 3558590), (10, 2846872), (14, 2033480), (16, 1779295), (20, 1423436), (28, 1016740), (29, 981680), (35, 813392), (40, 711718), (56, 508370), (58, 490840), (70, 406696), (80, 355859), (112, 254185), (116, 245420), (140, 203348), (145, 196336), (203, 140240), (232, 122710), (280, 101674), (290, 98168), (406, 70120), (464, 61355), (560, 50837), (580, 49084), (812, 35060), (1015, 28048), (1160, 24542), (1624, 17530), (1753, 16240), (2030, 14024), (2320, 12271), (3248, 8765), (3506, 8120), (4060, 7012)]