25871560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4523}}^1$

素因数の和:4558

約数の個数: 64

約数和(自身を含む): 68402880

約数和(自身を除く): 42531320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4523, 5720, 9046, 18092, 22615, 36184, 45230, 49753, 58799, 90460, 99506, 117598, 180920, 199012, 235196, 248765, 293995, 398024, 470392, 497530, 587990, 646789, 995060, 1175980, 1293578, 1990120, 2351960, 2587156, 3233945, 5174312, 6467890, 12935780, 25871560]

約数ペア:

[(1, 25871560), (2, 12935780), (4, 6467890), (5, 5174312), (8, 3233945), (10, 2587156), (11, 2351960), (13, 1990120), (20, 1293578), (22, 1175980), (26, 995060), (40, 646789), (44, 587990), (52, 497530), (55, 470392), (65, 398024), (88, 293995), (104, 248765), (110, 235196), (130, 199012), (143, 180920), (220, 117598), (260, 99506), (286, 90460), (440, 58799), (520, 49753), (572, 45230), (715, 36184), (1144, 22615), (1430, 18092), (2860, 9046), (4523, 5720)]