207455840

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13367}}^1$

素因数の和:13479

約数の個数: 48

約数和(自身を含む): 495204192

約数和(自身を除く): 287748352

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, 13367, 15520, 26734, 53468, 66835, 106936, 133670, 213872, 267340, 427744, 534680, 1069360, 1296599, 2138720, 2593198, 5186396, 6482995, 10372792, 12965990, 20745584, 25931980, 41491168, 51863960, 103727920, 207455840]

約数ペア:

[(1, 207455840), (2, 103727920), (4, 51863960), (5, 41491168), (8, 25931980), (10, 20745584), (16, 12965990), (20, 10372792), (32, 6482995), (40, 5186396), (80, 2593198), (97, 2138720), (160, 1296599), (194, 1069360), (388, 534680), (485, 427744), (776, 267340), (970, 213872), (1552, 133670), (1940, 106936), (3104, 66835), (3880, 53468), (7760, 26734), (13367, 15520)]