1816441720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547121}}^1$

素因数の和:547215

約数の個数: 32

約数和(自身を含む): 4136242320

約数和(自身を除く): 2319800600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 547121, 1094242, 2188484, 2735605, 4376968, 5471210, 10942420, 21884840, 45411043, 90822086, 181644172, 227055215, 363288344, 454110430, 908220860, 1816441720]

約数ペア:

[(1, 1816441720), (2, 908220860), (4, 454110430), (5, 363288344), (8, 227055215), (10, 181644172), (20, 90822086), (40, 45411043), (83, 21884840), (166, 10942420), (332, 5471210), (415, 4376968), (664, 2735605), (830, 2188484), (1660, 1094242), (3320, 547121)]