266500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 642096

約数和(自身を除く): 375596

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 125, 130, 164, 205, 250, 260, 325, 410, 500, 533, 650, 820, 1025, 1066, 1300, 1625, 2050, 2132, 2665, 3250, 4100, 5125, 5330, 6500, 10250, 10660, 13325, 20500, 26650, 53300, 66625, 133250, 266500]

約数ペア:

[(1, 266500), (2, 133250), (4, 66625), (5, 53300), (10, 26650), (13, 20500), (20, 13325), (25, 10660), (26, 10250), (41, 6500), (50, 5330), (52, 5125), (65, 4100), (82, 3250), (100, 2665), (125, 2132), (130, 2050), (164, 1625), (205, 1300), (250, 1066), (260, 1025), (325, 820), (410, 650), (500, 533)]