83808920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3996

約数の個数: 64

約数和(自身を含む): 208081440

約数和(自身を除く): 124272520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3931, 4264, 5330, 7862, 10660, 15724, 19655, 21320, 31448, 39310, 51103, 78620, 102206, 157240, 161171, 204412, 255515, 322342, 408824, 511030, 644684, 805855, 1022060, 1289368, 1611710, 2044120, 2095223, 3223420, 4190446, 6446840, 8380892, 10476115, 16761784, 20952230, 41904460, 83808920]

約数ペア:

[(1, 83808920), (2, 41904460), (4, 20952230), (5, 16761784), (8, 10476115), (10, 8380892), (13, 6446840), (20, 4190446), (26, 3223420), (40, 2095223), (41, 2044120), (52, 1611710), (65, 1289368), (82, 1022060), (104, 805855), (130, 644684), (164, 511030), (205, 408824), (260, 322342), (328, 255515), (410, 204412), (520, 161171), (533, 157240), (820, 102206), (1066, 78620), (1640, 51103), (2132, 39310), (2665, 31448), (3931, 21320), (4264, 19655), (5330, 15724), (7862, 10660)]