2856880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 7437024

約数和(自身を除く): 4580144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 67, 80, 82, 104, 130, 134, 164, 205, 208, 260, 268, 328, 335, 410, 520, 533, 536, 656, 670, 820, 871, 1040, 1066, 1072, 1340, 1640, 1742, 2132, 2665, 2680, 2747, 3280, 3484, 4264, 4355, 5330, 5360, 5494, 6968, 8528, 8710, 10660, 10988, 13735, 13936, 17420, 21320, 21976, 27470, 34840, 35711, 42640, 43952, 54940, 69680, 71422, 109880, 142844, 178555, 219760, 285688, 357110, 571376, 714220, 1428440, 2856880]

約数ペア:

[(1, 2856880), (2, 1428440), (4, 714220), (5, 571376), (8, 357110), (10, 285688), (13, 219760), (16, 178555), (20, 142844), (26, 109880), (40, 71422), (41, 69680), (52, 54940), (65, 43952), (67, 42640), (80, 35711), (82, 34840), (104, 27470), (130, 21976), (134, 21320), (164, 17420), (205, 13936), (208, 13735), (260, 10988), (268, 10660), (328, 8710), (335, 8528), (410, 6968), (520, 5494), (533, 5360), (536, 5330), (656, 4355), (670, 4264), (820, 3484), (871, 3280), (1040, 2747), (1066, 2680), (1072, 2665), (1340, 2132), (1640, 1742)]