80533460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 202139784

約数和(自身を除く): 121606324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2221, 2590, 3626, 4442, 5180, 7252, 8884, 9065, 11105, 15547, 18130, 22210, 31094, 36260, 44420, 62188, 77735, 82177, 108829, 155470, 164354, 217658, 310940, 328708, 410885, 435316, 544145, 575239, 821770, 1088290, 1150478, 1643540, 2176580, 2300956, 2876195, 4026673, 5752390, 8053346, 11504780, 16106692, 20133365, 40266730, 80533460]

約数ペア:

[(1, 80533460), (2, 40266730), (4, 20133365), (5, 16106692), (7, 11504780), (10, 8053346), (14, 5752390), (20, 4026673), (28, 2876195), (35, 2300956), (37, 2176580), (49, 1643540), (70, 1150478), (74, 1088290), (98, 821770), (140, 575239), (148, 544145), (185, 435316), (196, 410885), (245, 328708), (259, 310940), (370, 217658), (490, 164354), (518, 155470), (740, 108829), (980, 82177), (1036, 77735), (1295, 62188), (1813, 44420), (2221, 36260), (2590, 31094), (3626, 22210), (4442, 18130), (5180, 15547), (7252, 11105), (8884, 9065)]