4354480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 6894800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 79, 80, 104, 106, 130, 158, 208, 212, 260, 265, 316, 395, 424, 520, 530, 632, 689, 790, 848, 1027, 1040, 1060, 1264, 1378, 1580, 2054, 2120, 2756, 3160, 3445, 4108, 4187, 4240, 5135, 5512, 6320, 6890, 8216, 8374, 10270, 11024, 13780, 16432, 16748, 20540, 20935, 27560, 33496, 41080, 41870, 54431, 55120, 66992, 82160, 83740, 108862, 167480, 217724, 272155, 334960, 435448, 544310, 870896, 1088620, 2177240, 4354480]

約数ペア:

[(1, 4354480), (2, 2177240), (4, 1088620), (5, 870896), (8, 544310), (10, 435448), (13, 334960), (16, 272155), (20, 217724), (26, 167480), (40, 108862), (52, 83740), (53, 82160), (65, 66992), (79, 55120), (80, 54431), (104, 41870), (106, 41080), (130, 33496), (158, 27560), (208, 20935), (212, 20540), (260, 16748), (265, 16432), (316, 13780), (395, 11024), (424, 10270), (520, 8374), (530, 8216), (632, 6890), (689, 6320), (790, 5512), (848, 5135), (1027, 4240), (1040, 4187), (1060, 4108), (1264, 3445), (1378, 3160), (1580, 2756), (2054, 2120)]