40571312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 81816192

約数和(自身を除く): 41244880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 521, 628, 1042, 1256, 2084, 2512, 4168, 4867, 8336, 9734, 16151, 19468, 32302, 38936, 64604, 77872, 81797, 129208, 163594, 258416, 327188, 654376, 1308752, 2535707, 5071414, 10142828, 20285656, 40571312]

約数ペア:

[(1, 40571312), (2, 20285656), (4, 10142828), (8, 5071414), (16, 2535707), (31, 1308752), (62, 654376), (124, 327188), (157, 258416), (248, 163594), (314, 129208), (496, 81797), (521, 77872), (628, 64604), (1042, 38936), (1256, 32302), (2084, 19468), (2512, 16151), (4168, 9734), (4867, 8336)]