8514280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 21384000

約数和(自身を除く): 12869720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 659, 680, 760, 1292, 1318, 1615, 2584, 2636, 3230, 3295, 5272, 6460, 6590, 11203, 12521, 12920, 13180, 22406, 25042, 26360, 44812, 50084, 56015, 62605, 89624, 100168, 112030, 125210, 212857, 224060, 250420, 425714, 448120, 500840, 851428, 1064285, 1702856, 2128570, 4257140, 8514280]

約数ペア:

[(1, 8514280), (2, 4257140), (4, 2128570), (5, 1702856), (8, 1064285), (10, 851428), (17, 500840), (19, 448120), (20, 425714), (34, 250420), (38, 224060), (40, 212857), (68, 125210), (76, 112030), (85, 100168), (95, 89624), (136, 62605), (152, 56015), (170, 50084), (190, 44812), (323, 26360), (340, 25042), (380, 22406), (646, 13180), (659, 12920), (680, 12521), (760, 11203), (1292, 6590), (1318, 6460), (1615, 5272), (2584, 3295), (2636, 3230)]