19667680

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 27388784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1481, 1660, 2656, 2962, 3320, 5924, 6640, 7405, 11848, 13280, 14810, 23696, 29620, 47392, 59240, 118480, 122923, 236960, 245846, 491692, 614615, 983384, 1229230, 1966768, 2458460, 3933536, 4916920, 9833840, 19667680]

約数ペア:

[(1, 19667680), (2, 9833840), (4, 4916920), (5, 3933536), (8, 2458460), (10, 1966768), (16, 1229230), (20, 983384), (32, 614615), (40, 491692), (80, 245846), (83, 236960), (160, 122923), (166, 118480), (332, 59240), (415, 47392), (664, 29620), (830, 23696), (1328, 14810), (1481, 13280), (1660, 11848), (2656, 7405), (2962, 6640), (3320, 5924)]