190066840

素因数分解:

$2^3\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{2207}}^1$

素因数の和:4371

約数の個数: 32

約数和(自身を含む): 428042880

約数和(自身を除く): 237976040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2153, 2207, 4306, 4414, 8612, 8828, 10765, 11035, 17224, 17656, 21530, 22070, 43060, 44140, 86120, 88280, 4751671, 9503342, 19006684, 23758355, 38013368, 47516710, 95033420, 190066840]

約数ペア:

[(1, 190066840), (2, 95033420), (4, 47516710), (5, 38013368), (8, 23758355), (10, 19006684), (20, 9503342), (40, 4751671), (2153, 88280), (2207, 86120), (4306, 44140), (4414, 43060), (8612, 22070), (8828, 21530), (10765, 17656), (11035, 17224)]