16157440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 41722128

約数和(自身を除く): 25564688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 971, 1040, 1280, 1664, 1942, 2080, 3328, 3884, 4160, 4855, 7768, 8320, 9710, 12623, 15536, 16640, 19420, 25246, 31072, 38840, 50492, 62144, 63115, 77680, 100984, 124288, 126230, 155360, 201968, 248576, 252460, 310720, 403936, 504920, 621440, 807872, 1009840, 1242880, 1615744, 2019680, 3231488, 4039360, 8078720, 16157440]

約数ペア:

[(1, 16157440), (2, 8078720), (4, 4039360), (5, 3231488), (8, 2019680), (10, 1615744), (13, 1242880), (16, 1009840), (20, 807872), (26, 621440), (32, 504920), (40, 403936), (52, 310720), (64, 252460), (65, 248576), (80, 201968), (104, 155360), (128, 126230), (130, 124288), (160, 100984), (208, 77680), (256, 63115), (260, 62144), (320, 50492), (416, 38840), (520, 31072), (640, 25246), (832, 19420), (971, 16640), (1040, 15536), (1280, 12623), (1664, 9710), (1942, 8320), (2080, 7768), (3328, 4855), (3884, 4160)]