9987160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 25077600

約数和(自身を除く): 15090440

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, 680, 760, 773, 1292, 1546, 1615, 2584, 3092, 3230, 3865, 6184, 6460, 7730, 12920, 13141, 14687, 15460, 26282, 29374, 30920, 52564, 58748, 65705, 73435, 105128, 117496, 131410, 146870, 249679, 262820, 293740, 499358, 525640, 587480, 998716, 1248395, 1997432, 2496790, 4993580, 9987160]

約数ペア:

[(1, 9987160), (2, 4993580), (4, 2496790), (5, 1997432), (8, 1248395), (10, 998716), (17, 587480), (19, 525640), (20, 499358), (34, 293740), (38, 262820), (40, 249679), (68, 146870), (76, 131410), (85, 117496), (95, 105128), (136, 73435), (152, 65705), (170, 58748), (190, 52564), (323, 30920), (340, 29374), (380, 26282), (646, 15460), (680, 14687), (760, 13141), (773, 12920), (1292, 7730), (1546, 6460), (1615, 6184), (2584, 3865), (3092, 3230)]