22253920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 56999376

約数和(自身を除く): 34745456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 823, 845, 1040, 1352, 1646, 1690, 2080, 2704, 3292, 3380, 4115, 5408, 6584, 6760, 8230, 10699, 13168, 13520, 16460, 21398, 26336, 27040, 32920, 42796, 53495, 65840, 85592, 106990, 131680, 139087, 171184, 213980, 278174, 342368, 427960, 556348, 695435, 855920, 1112696, 1390870, 1711840, 2225392, 2781740, 4450784, 5563480, 11126960, 22253920]

約数ペア:

[(1, 22253920), (2, 11126960), (4, 5563480), (5, 4450784), (8, 2781740), (10, 2225392), (13, 1711840), (16, 1390870), (20, 1112696), (26, 855920), (32, 695435), (40, 556348), (52, 427960), (65, 342368), (80, 278174), (104, 213980), (130, 171184), (160, 139087), (169, 131680), (208, 106990), (260, 85592), (338, 65840), (416, 53495), (520, 42796), (676, 32920), (823, 27040), (845, 26336), (1040, 21398), (1352, 16460), (1646, 13520), (1690, 13168), (2080, 10699), (2704, 8230), (3292, 6760), (3380, 6584), (4115, 5408)]