80838380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5717}}^1$

素因数の和:5834

約数の個数: 48

約数和(自身を含む): 195967296

約数和(自身を除く): 115128916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5717, 7070, 11434, 14140, 22868, 28585, 40019, 57170, 80038, 114340, 160076, 200095, 400190, 577417, 800380, 1154834, 2309668, 2887085, 4041919, 5774170, 8083838, 11548340, 16167676, 20209595, 40419190, 80838380]

約数ペア:

[(1, 80838380), (2, 40419190), (4, 20209595), (5, 16167676), (7, 11548340), (10, 8083838), (14, 5774170), (20, 4041919), (28, 2887085), (35, 2309668), (70, 1154834), (101, 800380), (140, 577417), (202, 400190), (404, 200095), (505, 160076), (707, 114340), (1010, 80038), (1414, 57170), (2020, 40019), (2828, 28585), (3535, 22868), (5717, 14140), (7070, 11434)]