8261500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 20547072

約数和(自身を除く): 12285572

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 41, 50, 52, 62, 65, 82, 100, 124, 125, 130, 155, 164, 205, 250, 260, 310, 325, 403, 410, 500, 533, 620, 650, 775, 806, 820, 1025, 1066, 1271, 1300, 1550, 1612, 1625, 2015, 2050, 2132, 2542, 2665, 3100, 3250, 3875, 4030, 4100, 5084, 5125, 5330, 6355, 6500, 7750, 8060, 10075, 10250, 10660, 12710, 13325, 15500, 16523, 20150, 20500, 25420, 26650, 31775, 33046, 40300, 50375, 53300, 63550, 66092, 66625, 82615, 100750, 127100, 133250, 158875, 165230, 201500, 266500, 317750, 330460, 413075, 635500, 826150, 1652300, 2065375, 4130750, 8261500]

約数ペア:

[(1, 8261500), (2, 4130750), (4, 2065375), (5, 1652300), (10, 826150), (13, 635500), (20, 413075), (25, 330460), (26, 317750), (31, 266500), (41, 201500), (50, 165230), (52, 158875), (62, 133250), (65, 127100), (82, 100750), (100, 82615), (124, 66625), (125, 66092), (130, 63550), (155, 53300), (164, 50375), (205, 40300), (250, 33046), (260, 31775), (310, 26650), (325, 25420), (403, 20500), (410, 20150), (500, 16523), (533, 15500), (620, 13325), (650, 12710), (775, 10660), (806, 10250), (820, 10075), (1025, 8060), (1066, 7750), (1271, 6500), (1300, 6355), (1550, 5330), (1612, 5125), (1625, 5084), (2015, 4100), (2050, 4030), (2132, 3875), (2542, 3250), (2665, 3100)]