551036720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12923}}^1$

素因数の和:12990

約数の個数: 80

約数和(自身を含む): 1413472032

約数和(自身を除く): 862435312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 12923, 21320, 25846, 42640, 51692, 64615, 103384, 129230, 167999, 206768, 258460, 335998, 516920, 529843, 671996, 839995, 1033840, 1059686, 1343992, 1679990, 2119372, 2649215, 2687984, 3359980, 4238744, 5298430, 6719960, 6887959, 8477488, 10596860, 13439920, 13775918, 21193720, 27551836, 34439795, 42387440, 55103672, 68879590, 110207344, 137759180, 275518360, 551036720]

約数ペア:

[(1, 551036720), (2, 275518360), (4, 137759180), (5, 110207344), (8, 68879590), (10, 55103672), (13, 42387440), (16, 34439795), (20, 27551836), (26, 21193720), (40, 13775918), (41, 13439920), (52, 10596860), (65, 8477488), (80, 6887959), (82, 6719960), (104, 5298430), (130, 4238744), (164, 3359980), (205, 2687984), (208, 2649215), (260, 2119372), (328, 1679990), (410, 1343992), (520, 1059686), (533, 1033840), (656, 839995), (820, 671996), (1040, 529843), (1066, 516920), (1640, 335998), (2132, 258460), (2665, 206768), (3280, 167999), (4264, 129230), (5330, 103384), (8528, 64615), (10660, 51692), (12923, 42640), (21320, 25846)]