40437020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 98219520

約数和(自身を除く): 57782500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 173, 260, 290, 310, 346, 377, 403, 580, 620, 692, 754, 806, 865, 899, 1508, 1612, 1730, 1798, 1885, 2015, 2249, 3460, 3596, 3770, 4030, 4495, 4498, 5017, 5363, 7540, 8060, 8990, 8996, 10034, 10726, 11245, 11687, 17980, 20068, 21452, 22490, 23374, 25085, 26815, 44980, 46748, 50170, 53630, 58435, 65221, 69719, 100340, 107260, 116870, 130442, 139438, 155527, 233740, 260884, 278876, 311054, 326105, 348595, 622108, 652210, 697190, 777635, 1304420, 1394380, 1555270, 2021851, 3110540, 4043702, 8087404, 10109255, 20218510, 40437020]

約数ペア:

[(1, 40437020), (2, 20218510), (4, 10109255), (5, 8087404), (10, 4043702), (13, 3110540), (20, 2021851), (26, 1555270), (29, 1394380), (31, 1304420), (52, 777635), (58, 697190), (62, 652210), (65, 622108), (116, 348595), (124, 326105), (130, 311054), (145, 278876), (155, 260884), (173, 233740), (260, 155527), (290, 139438), (310, 130442), (346, 116870), (377, 107260), (403, 100340), (580, 69719), (620, 65221), (692, 58435), (754, 53630), (806, 50170), (865, 46748), (899, 44980), (1508, 26815), (1612, 25085), (1730, 23374), (1798, 22490), (1885, 21452), (2015, 20068), (2249, 17980), (3460, 11687), (3596, 11245), (3770, 10726), (4030, 10034), (4495, 8996), (4498, 8990), (5017, 8060), (5363, 7540)]