41391220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 94077648

約数和(自身を除く): 52686428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 401, 794, 802, 1588, 1604, 1985, 2005, 3970, 4010, 5161, 5213, 7940, 8020, 10322, 10426, 20644, 20852, 25805, 26065, 51610, 52130, 103220, 104260, 159197, 318394, 636788, 795985, 1591970, 2069561, 3183940, 4139122, 8278244, 10347805, 20695610, 41391220]

約数ペア:

[(1, 41391220), (2, 20695610), (4, 10347805), (5, 8278244), (10, 4139122), (13, 3183940), (20, 2069561), (26, 1591970), (52, 795985), (65, 636788), (130, 318394), (260, 159197), (397, 104260), (401, 103220), (794, 52130), (802, 51610), (1588, 26065), (1604, 25805), (1985, 20852), (2005, 20644), (3970, 10426), (4010, 10322), (5161, 8020), (5213, 7940)]