28351360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1479

約数の個数: 64

約数和(自身を含む): 70012800

約数和(自身を除く): 41661440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1429, 1984, 2480, 2858, 3968, 4960, 5716, 7145, 9920, 11432, 14290, 19840, 22864, 28580, 44299, 45728, 57160, 88598, 91456, 114320, 177196, 182912, 221495, 228640, 354392, 442990, 457280, 708784, 885980, 914560, 1417568, 1771960, 2835136, 3543920, 5670272, 7087840, 14175680, 28351360]

約数ペア:

[(1, 28351360), (2, 14175680), (4, 7087840), (5, 5670272), (8, 3543920), (10, 2835136), (16, 1771960), (20, 1417568), (31, 914560), (32, 885980), (40, 708784), (62, 457280), (64, 442990), (80, 354392), (124, 228640), (128, 221495), (155, 182912), (160, 177196), (248, 114320), (310, 91456), (320, 88598), (496, 57160), (620, 45728), (640, 44299), (992, 28580), (1240, 22864), (1429, 19840), (1984, 14290), (2480, 11432), (2858, 9920), (3968, 7145), (4960, 5716)]