40260220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 96

約数和(自身を含む): 113573376

約数和(自身を除く): 73313156

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2011, 2860, 4004, 4022, 5005, 8044, 10010, 10055, 14077, 20020, 20110, 22121, 26143, 28154, 40220, 44242, 52286, 56308, 70385, 88484, 104572, 110605, 130715, 140770, 154847, 183001, 221210, 261430, 281540, 287573, 309694, 366002, 442420, 522860, 575146, 619388, 732004, 774235, 915005, 1150292, 1437865, 1548470, 1830010, 2013011, 2875730, 3096940, 3660020, 4026022, 5751460, 8052044, 10065055, 20130110, 40260220]

約数ペア:

[(1, 40260220), (2, 20130110), (4, 10065055), (5, 8052044), (7, 5751460), (10, 4026022), (11, 3660020), (13, 3096940), (14, 2875730), (20, 2013011), (22, 1830010), (26, 1548470), (28, 1437865), (35, 1150292), (44, 915005), (52, 774235), (55, 732004), (65, 619388), (70, 575146), (77, 522860), (91, 442420), (110, 366002), (130, 309694), (140, 287573), (143, 281540), (154, 261430), (182, 221210), (220, 183001), (260, 154847), (286, 140770), (308, 130715), (364, 110605), (385, 104572), (455, 88484), (572, 70385), (715, 56308), (770, 52286), (910, 44242), (1001, 40220), (1430, 28154), (1540, 26143), (1820, 22121), (2002, 20110), (2011, 20020), (2860, 14077), (4004, 10055), (4022, 10010), (5005, 8044)]