28018920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12322

約数の個数: 64

約数和(自身を含む): 88488000

約数和(自身を除く): 60469080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12289, 24578, 36867, 49156, 61445, 73734, 98312, 122890, 147468, 184335, 233491, 245780, 294936, 368670, 466982, 491560, 700473, 737340, 933964, 1167455, 1400946, 1474680, 1867928, 2334910, 2801892, 3502365, 4669820, 5603784, 7004730, 9339640, 14009460, 28018920]

約数ペア:

[(1, 28018920), (2, 14009460), (3, 9339640), (4, 7004730), (5, 5603784), (6, 4669820), (8, 3502365), (10, 2801892), (12, 2334910), (15, 1867928), (19, 1474680), (20, 1400946), (24, 1167455), (30, 933964), (38, 737340), (40, 700473), (57, 491560), (60, 466982), (76, 368670), (95, 294936), (114, 245780), (120, 233491), (152, 184335), (190, 147468), (228, 122890), (285, 98312), (380, 73734), (456, 61445), (570, 49156), (760, 36867), (1140, 24578), (2280, 12289)]