51583480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 137894400

約数和(自身を除く): 86310920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 227, 230, 247, 260, 299, 380, 437, 454, 460, 494, 520, 598, 760, 874, 908, 920, 988, 1135, 1196, 1235, 1495, 1748, 1816, 1976, 2185, 2270, 2392, 2470, 2951, 2990, 3496, 4313, 4370, 4540, 4940, 5221, 5681, 5902, 5980, 8626, 8740, 9080, 9880, 10442, 11362, 11804, 11960, 14755, 17252, 17480, 20884, 21565, 22724, 23608, 26105, 28405, 29510, 34504, 41768, 43130, 45448, 52210, 56069, 56810, 59020, 67873, 86260, 99199, 104420, 112138, 113620, 118040, 135746, 172520, 198398, 208840, 224276, 227240, 271492, 280345, 339365, 396796, 448552, 495995, 542984, 560690, 678730, 793592, 991990, 1121380, 1289587, 1357460, 1983980, 2242760, 2579174, 2714920, 3967960, 5158348, 6447935, 10316696, 12895870, 25791740, 51583480]

約数ペア:

[(1, 51583480), (2, 25791740), (4, 12895870), (5, 10316696), (8, 6447935), (10, 5158348), (13, 3967960), (19, 2714920), (20, 2579174), (23, 2242760), (26, 1983980), (38, 1357460), (40, 1289587), (46, 1121380), (52, 991990), (65, 793592), (76, 678730), (92, 560690), (95, 542984), (104, 495995), (115, 448552), (130, 396796), (152, 339365), (184, 280345), (190, 271492), (227, 227240), (230, 224276), (247, 208840), (260, 198398), (299, 172520), (380, 135746), (437, 118040), (454, 113620), (460, 112138), (494, 104420), (520, 99199), (598, 86260), (760, 67873), (874, 59020), (908, 56810), (920, 56069), (988, 52210), (1135, 45448), (1196, 43130), (1235, 41768), (1495, 34504), (1748, 29510), (1816, 28405), (1976, 26105), (2185, 23608), (2270, 22724), (2392, 21565), (2470, 20884), (2951, 17480), (2990, 17252), (3496, 14755), (4313, 11960), (4370, 11804), (4540, 11362), (4940, 10442), (5221, 9880), (5681, 9080), (5902, 8740), (5980, 8626)]