201775520

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13001}}^1$

素因数の和:13113

約数の個数: 48

約数和(自身を含む): 481646088

約数和(自身を除く): 279870568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 13001, 15520, 26002, 52004, 65005, 104008, 130010, 208016, 260020, 416032, 520040, 1040080, 1261097, 2080160, 2522194, 5044388, 6305485, 10088776, 12610970, 20177552, 25221940, 40355104, 50443880, 100887760, 201775520]

約数ペア:

[(1, 201775520), (2, 100887760), (4, 50443880), (5, 40355104), (8, 25221940), (10, 20177552), (16, 12610970), (20, 10088776), (32, 6305485), (40, 5044388), (80, 2522194), (97, 2080160), (160, 1261097), (194, 1040080), (388, 520040), (485, 416032), (776, 260020), (970, 208016), (1552, 130010), (1940, 104008), (3104, 65005), (3880, 52004), (7760, 26002), (13001, 15520)]