42728720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28111}}^1$

素因数の和:28143

約数の個数: 40

約数和(自身を含む): 104576640

約数和(自身を除く): 61847920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28111, 56222, 112444, 140555, 224888, 281110, 449776, 534109, 562220, 1068218, 1124440, 2136436, 2248880, 2670545, 4272872, 5341090, 8545744, 10682180, 21364360, 42728720]

約数ペア:

[(1, 42728720), (2, 21364360), (4, 10682180), (5, 8545744), (8, 5341090), (10, 4272872), (16, 2670545), (19, 2248880), (20, 2136436), (38, 1124440), (40, 1068218), (76, 562220), (80, 534109), (95, 449776), (152, 281110), (190, 224888), (304, 140555), (380, 112444), (760, 56222), (1520, 28111)]