7890999520

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1\times {\mathrm{683}}^1$

素因数の和:1304

約数の個数: 96

約数和(自身を含む): 18826722432

約数和(自身を除く): 10935722912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 443, 652, 683, 815, 886, 1304, 1366, 1630, 1772, 2215, 2608, 2732, 3260, 3415, 3544, 4430, 5216, 5464, 6520, 6830, 7088, 8860, 10928, 13040, 13660, 14176, 17720, 21856, 26080, 27320, 35440, 54640, 70880, 72209, 109280, 111329, 144418, 222658, 288836, 302569, 361045, 445316, 556645, 577672, 605138, 722090, 890632, 1113290, 1155344, 1210276, 1444180, 1512845, 1781264, 2226580, 2310688, 2420552, 2888360, 3025690, 3562528, 4453160, 4841104, 5776720, 6051380, 8906320, 9682208, 11553440, 12102760, 17812640, 24205520, 48411040, 49318747, 98637494, 197274988, 246593735, 394549976, 493187470, 789099952, 986374940, 1578199904, 1972749880, 3945499760, 7890999520]

約数ペア:

[(1, 7890999520), (2, 3945499760), (4, 1972749880), (5, 1578199904), (8, 986374940), (10, 789099952), (16, 493187470), (20, 394549976), (32, 246593735), (40, 197274988), (80, 98637494), (160, 49318747), (163, 48411040), (326, 24205520), (443, 17812640), (652, 12102760), (683, 11553440), (815, 9682208), (886, 8906320), (1304, 6051380), (1366, 5776720), (1630, 4841104), (1772, 4453160), (2215, 3562528), (2608, 3025690), (2732, 2888360), (3260, 2420552), (3415, 2310688), (3544, 2226580), (4430, 1781264), (5216, 1512845), (5464, 1444180), (6520, 1210276), (6830, 1155344), (7088, 1113290), (8860, 890632), (10928, 722090), (13040, 605138), (13660, 577672), (14176, 556645), (17720, 445316), (21856, 361045), (26080, 302569), (27320, 288836), (35440, 222658), (54640, 144418), (70880, 111329), (72209, 109280)]