12935780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1$

素因数の和:4556

約数の個数: 48

約数和(自身を含む): 31921344

約数和(自身を除く): 18985564

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4523, 9046, 18092, 22615, 45230, 49753, 58799, 90460, 99506, 117598, 199012, 235196, 248765, 293995, 497530, 587990, 646789, 995060, 1175980, 1293578, 2587156, 3233945, 6467890, 12935780]

約数ペア:

[(1, 12935780), (2, 6467890), (4, 3233945), (5, 2587156), (10, 1293578), (11, 1175980), (13, 995060), (20, 646789), (22, 587990), (26, 497530), (44, 293995), (52, 248765), (55, 235196), (65, 199012), (110, 117598), (130, 99506), (143, 90460), (220, 58799), (260, 49753), (286, 45230), (572, 22615), (715, 18092), (1430, 9046), (2860, 4523)]