1428440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 3598560

約数和(自身を除く): 2170120

約数列:

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

約数ペア:

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