100720160

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{911}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 238557312

約数和(自身を除く): 137837152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 911, 1382, 1822, 2764, 3455, 3644, 4555, 5528, 6910, 7288, 9110, 11056, 13820, 14576, 18220, 22112, 27640, 29152, 36440, 55280, 72880, 110560, 145760, 629501, 1259002, 2518004, 3147505, 5036008, 6295010, 10072016, 12590020, 20144032, 25180040, 50360080, 100720160]

約数ペア:

[(1, 100720160), (2, 50360080), (4, 25180040), (5, 20144032), (8, 12590020), (10, 10072016), (16, 6295010), (20, 5036008), (32, 3147505), (40, 2518004), (80, 1259002), (160, 629501), (691, 145760), (911, 110560), (1382, 72880), (1822, 55280), (2764, 36440), (3455, 29152), (3644, 27640), (4555, 22112), (5528, 18220), (6910, 14576), (7288, 13820), (9110, 11056)]