539500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 1284192

約数和(自身を除く): 744692

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 125, 130, 166, 250, 260, 325, 332, 415, 500, 650, 830, 1079, 1300, 1625, 1660, 2075, 2158, 3250, 4150, 4316, 5395, 6500, 8300, 10375, 10790, 20750, 21580, 26975, 41500, 53950, 107900, 134875, 269750, 539500]

約数ペア:

[(1, 539500), (2, 269750), (4, 134875), (5, 107900), (10, 53950), (13, 41500), (20, 26975), (25, 21580), (26, 20750), (50, 10790), (52, 10375), (65, 8300), (83, 6500), (100, 5395), (125, 4316), (130, 4150), (166, 3250), (250, 2158), (260, 2075), (325, 1660), (332, 1625), (415, 1300), (500, 1079), (650, 830)]