128556250

素因数分解:

$2^1\times 5^5\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 245421792

約数和(自身を除く): 116865542

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 250, 307, 335, 614, 625, 670, 1250, 1535, 1675, 3070, 3125, 3350, 6250, 7675, 8375, 15350, 16750, 20569, 38375, 41138, 41875, 76750, 83750, 102845, 191875, 205690, 209375, 383750, 418750, 514225, 959375, 1028450, 1918750, 2571125, 5142250, 12855625, 25711250, 64278125, 128556250]

約数ペア:

[(1, 128556250), (2, 64278125), (5, 25711250), (10, 12855625), (25, 5142250), (50, 2571125), (67, 1918750), (125, 1028450), (134, 959375), (250, 514225), (307, 418750), (335, 383750), (614, 209375), (625, 205690), (670, 191875), (1250, 102845), (1535, 83750), (1675, 76750), (3070, 41875), (3125, 41138), (3350, 38375), (6250, 20569), (7675, 16750), (8375, 15350)]