39945940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2347}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 89937792

約数和(自身を除く): 49991852

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 2347, 3404, 4255, 4694, 8510, 9388, 11735, 17020, 23470, 46940, 53981, 86839, 107962, 173678, 215924, 269905, 347356, 434195, 539810, 868390, 1079620, 1736780, 1997297, 3994594, 7989188, 9986485, 19972970, 39945940]

約数ペア:

[(1, 39945940), (2, 19972970), (4, 9986485), (5, 7989188), (10, 3994594), (20, 1997297), (23, 1736780), (37, 1079620), (46, 868390), (74, 539810), (92, 434195), (115, 347356), (148, 269905), (185, 215924), (230, 173678), (370, 107962), (460, 86839), (740, 53981), (851, 46940), (1702, 23470), (2347, 17020), (3404, 11735), (4255, 9388), (4694, 8510)]