2537860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 5898816

約数和(自身を除く): 3360956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 227, 260, 430, 454, 559, 860, 908, 1118, 1135, 2236, 2270, 2795, 2951, 4540, 5590, 5902, 9761, 11180, 11804, 14755, 19522, 29510, 39044, 48805, 59020, 97610, 126893, 195220, 253786, 507572, 634465, 1268930, 2537860]

約数ペア:

[(1, 2537860), (2, 1268930), (4, 634465), (5, 507572), (10, 253786), (13, 195220), (20, 126893), (26, 97610), (43, 59020), (52, 48805), (65, 39044), (86, 29510), (130, 19522), (172, 14755), (215, 11804), (227, 11180), (260, 9761), (430, 5902), (454, 5590), (559, 4540), (860, 2951), (908, 2795), (1118, 2270), (1135, 2236)]