40437890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 41210110

約数列:

[1, 2, 5, 10, 19, 29, 38, 41, 58, 82, 95, 145, 179, 190, 205, 290, 358, 410, 551, 779, 895, 1102, 1189, 1558, 1790, 2378, 2755, 3401, 3895, 5191, 5510, 5945, 6802, 7339, 7790, 10382, 11890, 14678, 17005, 22591, 25955, 34010, 36695, 45182, 51910, 73390, 98629, 112955, 139441, 197258, 212831, 225910, 278882, 425662, 493145, 697205, 986290, 1064155, 1394410, 2128310, 4043789, 8087578, 20218945, 40437890]

約数ペア:

[(1, 40437890), (2, 20218945), (5, 8087578), (10, 4043789), (19, 2128310), (29, 1394410), (38, 1064155), (41, 986290), (58, 697205), (82, 493145), (95, 425662), (145, 278882), (179, 225910), (190, 212831), (205, 197258), (290, 139441), (358, 112955), (410, 98629), (551, 73390), (779, 51910), (895, 45182), (1102, 36695), (1189, 34010), (1558, 25955), (1790, 22591), (2378, 17005), (2755, 14678), (3401, 11890), (3895, 10382), (5191, 7790), (5510, 7339), (5945, 6802)]