201960320

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1123}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 484961040

約数和(自身を除く): 283000720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 1123, 1124, 1405, 2246, 2248, 2810, 4492, 4496, 5615, 5620, 8984, 8992, 11230, 11240, 17968, 17984, 22460, 22480, 35936, 35968, 44920, 44960, 71872, 89840, 89920, 143744, 179680, 179840, 315563, 359360, 631126, 718720, 1262252, 1577815, 2524504, 3155630, 5049008, 6311260, 10098016, 12622520, 20196032, 25245040, 40392064, 50490080, 100980160, 201960320]

約数ペア:

[(1, 201960320), (2, 100980160), (4, 50490080), (5, 40392064), (8, 25245040), (10, 20196032), (16, 12622520), (20, 10098016), (32, 6311260), (40, 5049008), (64, 3155630), (80, 2524504), (128, 1577815), (160, 1262252), (281, 718720), (320, 631126), (562, 359360), (640, 315563), (1123, 179840), (1124, 179680), (1405, 143744), (2246, 89920), (2248, 89840), (2810, 71872), (4492, 44960), (4496, 44920), (5615, 35968), (5620, 35936), (8984, 22480), (8992, 22460), (11230, 17984), (11240, 17968)]