28227440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^3\times {\mathrm{29}}^1$

素因数の和:111

約数の個数: 80

約数和(自身を含む): 70977600

約数和(自身を除く): 42750160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 529, 580, 667, 920, 1058, 1160, 1334, 1840, 2116, 2320, 2645, 2668, 3335, 4232, 5290, 5336, 6670, 8464, 10580, 10672, 12167, 13340, 15341, 21160, 24334, 26680, 30682, 42320, 48668, 53360, 60835, 61364, 76705, 97336, 121670, 122728, 153410, 194672, 243340, 245456, 306820, 352843, 486680, 613640, 705686, 973360, 1227280, 1411372, 1764215, 2822744, 3528430, 5645488, 7056860, 14113720, 28227440]

約数ペア:

[(1, 28227440), (2, 14113720), (4, 7056860), (5, 5645488), (8, 3528430), (10, 2822744), (16, 1764215), (20, 1411372), (23, 1227280), (29, 973360), (40, 705686), (46, 613640), (58, 486680), (80, 352843), (92, 306820), (115, 245456), (116, 243340), (145, 194672), (184, 153410), (230, 122728), (232, 121670), (290, 97336), (368, 76705), (460, 61364), (464, 60835), (529, 53360), (580, 48668), (667, 42320), (920, 30682), (1058, 26680), (1160, 24334), (1334, 21160), (1840, 15341), (2116, 13340), (2320, 12167), (2645, 10672), (2668, 10580), (3335, 8464), (4232, 6670), (5290, 5336)]