40136780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 86619456

約数和(自身を除く): 46482676

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 167, 197, 244, 305, 334, 394, 610, 668, 788, 835, 985, 1220, 1670, 1970, 3340, 3940, 10187, 12017, 20374, 24034, 32899, 40748, 48068, 50935, 60085, 65798, 101870, 120170, 131596, 164495, 203740, 240340, 328990, 657980, 2006839, 4013678, 8027356, 10034195, 20068390, 40136780]

約数ペア:

[(1, 40136780), (2, 20068390), (4, 10034195), (5, 8027356), (10, 4013678), (20, 2006839), (61, 657980), (122, 328990), (167, 240340), (197, 203740), (244, 164495), (305, 131596), (334, 120170), (394, 101870), (610, 65798), (668, 60085), (788, 50935), (835, 48068), (985, 40748), (1220, 32899), (1670, 24034), (1970, 20374), (3340, 12017), (3940, 10187)]