25001920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 64373760

約数和(自身を除く): 39371840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 79, 80, 86, 92, 115, 158, 160, 172, 184, 215, 230, 316, 320, 344, 368, 395, 430, 460, 632, 688, 736, 790, 860, 920, 989, 1264, 1376, 1472, 1580, 1720, 1817, 1840, 1978, 2528, 2752, 3160, 3397, 3440, 3634, 3680, 3956, 4945, 5056, 6320, 6794, 6880, 7268, 7360, 7912, 9085, 9890, 12640, 13588, 13760, 14536, 15824, 16985, 18170, 19780, 25280, 27176, 29072, 31648, 33970, 36340, 39560, 54352, 58144, 63296, 67940, 72680, 78131, 79120, 108704, 116288, 135880, 145360, 156262, 158240, 217408, 271760, 290720, 312524, 316480, 390655, 543520, 581440, 625048, 781310, 1087040, 1250096, 1562620, 2500192, 3125240, 5000384, 6250480, 12500960, 25001920]

約数ペア:

[(1, 25001920), (2, 12500960), (4, 6250480), (5, 5000384), (8, 3125240), (10, 2500192), (16, 1562620), (20, 1250096), (23, 1087040), (32, 781310), (40, 625048), (43, 581440), (46, 543520), (64, 390655), (79, 316480), (80, 312524), (86, 290720), (92, 271760), (115, 217408), (158, 158240), (160, 156262), (172, 145360), (184, 135880), (215, 116288), (230, 108704), (316, 79120), (320, 78131), (344, 72680), (368, 67940), (395, 63296), (430, 58144), (460, 54352), (632, 39560), (688, 36340), (736, 33970), (790, 31648), (860, 29072), (920, 27176), (989, 25280), (1264, 19780), (1376, 18170), (1472, 16985), (1580, 15824), (1720, 14536), (1817, 13760), (1840, 13588), (1978, 12640), (2528, 9890), (2752, 9085), (3160, 7912), (3397, 7360), (3440, 7268), (3634, 6880), (3680, 6794), (3956, 6320), (4945, 5056)]