16870480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 45086400

約数和(自身を除く): 28215920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1009, 1045, 1520, 1672, 2018, 2090, 3344, 4036, 4180, 5045, 8072, 8360, 10090, 11099, 16144, 16720, 19171, 20180, 22198, 38342, 40360, 44396, 55495, 76684, 80720, 88792, 95855, 110990, 153368, 177584, 191710, 210881, 221980, 306736, 383420, 421762, 443960, 766840, 843524, 887920, 1054405, 1533680, 1687048, 2108810, 3374096, 4217620, 8435240, 16870480]

約数ペア:

[(1, 16870480), (2, 8435240), (4, 4217620), (5, 3374096), (8, 2108810), (10, 1687048), (11, 1533680), (16, 1054405), (19, 887920), (20, 843524), (22, 766840), (38, 443960), (40, 421762), (44, 383420), (55, 306736), (76, 221980), (80, 210881), (88, 191710), (95, 177584), (110, 153368), (152, 110990), (176, 95855), (190, 88792), (209, 80720), (220, 76684), (304, 55495), (380, 44396), (418, 40360), (440, 38342), (760, 22198), (836, 20180), (880, 19171), (1009, 16720), (1045, 16144), (1520, 11099), (1672, 10090), (2018, 8360), (2090, 8072), (3344, 5045), (4036, 4180)]