40539160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 98431200

約数和(自身を除く): 57892040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1301, 1558, 1640, 2602, 3116, 3895, 5204, 6232, 6505, 7790, 10408, 13010, 15580, 24719, 26020, 31160, 49438, 52040, 53341, 98876, 106682, 123595, 197752, 213364, 247190, 266705, 426728, 494380, 533410, 988760, 1013479, 1066820, 2026958, 2133640, 4053916, 5067395, 8107832, 10134790, 20269580, 40539160]

約数ペア:

[(1, 40539160), (2, 20269580), (4, 10134790), (5, 8107832), (8, 5067395), (10, 4053916), (19, 2133640), (20, 2026958), (38, 1066820), (40, 1013479), (41, 988760), (76, 533410), (82, 494380), (95, 426728), (152, 266705), (164, 247190), (190, 213364), (205, 197752), (328, 123595), (380, 106682), (410, 98876), (760, 53341), (779, 52040), (820, 49438), (1301, 31160), (1558, 26020), (1640, 24719), (2602, 15580), (3116, 13010), (3895, 10408), (5204, 7790), (6232, 6505)]