28283120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 41087440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 73, 80, 116, 145, 146, 167, 232, 290, 292, 334, 365, 464, 580, 584, 668, 730, 835, 1160, 1168, 1336, 1460, 1670, 2117, 2320, 2672, 2920, 3340, 4234, 4843, 5840, 6680, 8468, 9686, 10585, 12191, 13360, 16936, 19372, 21170, 24215, 24382, 33872, 38744, 42340, 48430, 48764, 60955, 77488, 84680, 96860, 97528, 121910, 169360, 193720, 195056, 243820, 353539, 387440, 487640, 707078, 975280, 1414156, 1767695, 2828312, 3535390, 5656624, 7070780, 14141560, 28283120]

約数ペア:

[(1, 28283120), (2, 14141560), (4, 7070780), (5, 5656624), (8, 3535390), (10, 2828312), (16, 1767695), (20, 1414156), (29, 975280), (40, 707078), (58, 487640), (73, 387440), (80, 353539), (116, 243820), (145, 195056), (146, 193720), (167, 169360), (232, 121910), (290, 97528), (292, 96860), (334, 84680), (365, 77488), (464, 60955), (580, 48764), (584, 48430), (668, 42340), (730, 38744), (835, 33872), (1160, 24382), (1168, 24215), (1336, 21170), (1460, 19372), (1670, 16936), (2117, 13360), (2320, 12191), (2672, 10585), (2920, 9686), (3340, 8468), (4234, 6680), (4843, 5840)]