80809850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 108

約数和(自身を含む): 179078382

約数和(自身を除く): 98268532

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 37, 38, 50, 55, 74, 95, 110, 121, 185, 190, 209, 242, 275, 361, 370, 407, 418, 475, 550, 605, 703, 722, 814, 925, 950, 1045, 1210, 1406, 1805, 1850, 2035, 2090, 2299, 3025, 3515, 3610, 3971, 4070, 4477, 4598, 5225, 6050, 7030, 7733, 7942, 8954, 9025, 10175, 10450, 11495, 13357, 15466, 17575, 18050, 19855, 20350, 22385, 22990, 26714, 35150, 38665, 39710, 43681, 44770, 57475, 66785, 77330, 85063, 87362, 99275, 111925, 114950, 133570, 146927, 170126, 193325, 198550, 218405, 223850, 293854, 333925, 386650, 425315, 436810, 667850, 734635, 850630, 1092025, 1469270, 1616197, 2126575, 2184050, 3232394, 3673175, 4253150, 7346350, 8080985, 16161970, 40404925, 80809850]

約数ペア:

[(1, 80809850), (2, 40404925), (5, 16161970), (10, 8080985), (11, 7346350), (19, 4253150), (22, 3673175), (25, 3232394), (37, 2184050), (38, 2126575), (50, 1616197), (55, 1469270), (74, 1092025), (95, 850630), (110, 734635), (121, 667850), (185, 436810), (190, 425315), (209, 386650), (242, 333925), (275, 293854), (361, 223850), (370, 218405), (407, 198550), (418, 193325), (475, 170126), (550, 146927), (605, 133570), (703, 114950), (722, 111925), (814, 99275), (925, 87362), (950, 85063), (1045, 77330), (1210, 66785), (1406, 57475), (1805, 44770), (1850, 43681), (2035, 39710), (2090, 38665), (2299, 35150), (3025, 26714), (3515, 22990), (3610, 22385), (3971, 20350), (4070, 19855), (4477, 18050), (4598, 17575), (5225, 15466), (6050, 13357), (7030, 11495), (7733, 10450), (7942, 10175), (8954, 9025)]