100591520

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4523}}^1$

素因数の和:4677

約数の個数: 48

約数和(自身を含む): 239410080

約数和(自身を除く): 138818560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 4523, 5560, 9046, 11120, 18092, 22240, 22615, 36184, 45230, 72368, 90460, 144736, 180920, 361840, 628697, 723680, 1257394, 2514788, 3143485, 5029576, 6286970, 10059152, 12573940, 20118304, 25147880, 50295760, 100591520]

約数ペア:

[(1, 100591520), (2, 50295760), (4, 25147880), (5, 20118304), (8, 12573940), (10, 10059152), (16, 6286970), (20, 5029576), (32, 3143485), (40, 2514788), (80, 1257394), (139, 723680), (160, 628697), (278, 361840), (556, 180920), (695, 144736), (1112, 90460), (1390, 72368), (2224, 45230), (2780, 36184), (4448, 22615), (4523, 22240), (5560, 18092), (9046, 11120)]