80261680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10343}}^1$

素因数の和:10453

約数の個数: 40

約数和(自身を含む): 188550432

約数和(自身を除く): 108288752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10343, 20686, 41372, 51715, 82744, 103430, 165488, 206860, 413720, 827440, 1003271, 2006542, 4013084, 5016355, 8026168, 10032710, 16052336, 20065420, 40130840, 80261680]

約数ペア:

[(1, 80261680), (2, 40130840), (4, 20065420), (5, 16052336), (8, 10032710), (10, 8026168), (16, 5016355), (20, 4013084), (40, 2006542), (80, 1003271), (97, 827440), (194, 413720), (388, 206860), (485, 165488), (776, 103430), (970, 82744), (1552, 51715), (1940, 41372), (3880, 20686), (7760, 10343)]