16591880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 22478200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 151, 164, 205, 268, 302, 328, 335, 410, 536, 604, 670, 755, 820, 1208, 1340, 1510, 1640, 2680, 2747, 3020, 5494, 6040, 6191, 10117, 10988, 12382, 13735, 20234, 21976, 24764, 27470, 30955, 40468, 49528, 50585, 54940, 61910, 80936, 101170, 109880, 123820, 202340, 247640, 404680, 414797, 829594, 1659188, 2073985, 3318376, 4147970, 8295940, 16591880]

約数ペア:

[(1, 16591880), (2, 8295940), (4, 4147970), (5, 3318376), (8, 2073985), (10, 1659188), (20, 829594), (40, 414797), (41, 404680), (67, 247640), (82, 202340), (134, 123820), (151, 109880), (164, 101170), (205, 80936), (268, 61910), (302, 54940), (328, 50585), (335, 49528), (410, 40468), (536, 30955), (604, 27470), (670, 24764), (755, 21976), (820, 20234), (1208, 13735), (1340, 12382), (1510, 10988), (1640, 10117), (2680, 6191), (2747, 6040), (3020, 5494)]