40694960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 102180960

約数和(自身を除く): 61486000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 653, 656, 760, 779, 820, 1306, 1520, 1558, 1640, 2612, 3116, 3265, 3280, 3895, 5224, 6232, 6530, 7790, 10448, 12407, 12464, 13060, 15580, 24814, 26120, 26773, 31160, 49628, 52240, 53546, 62035, 62320, 99256, 107092, 124070, 133865, 198512, 214184, 248140, 267730, 428368, 496280, 508687, 535460, 992560, 1017374, 1070920, 2034748, 2141840, 2543435, 4069496, 5086870, 8138992, 10173740, 20347480, 40694960]

約数ペア:

[(1, 40694960), (2, 20347480), (4, 10173740), (5, 8138992), (8, 5086870), (10, 4069496), (16, 2543435), (19, 2141840), (20, 2034748), (38, 1070920), (40, 1017374), (41, 992560), (76, 535460), (80, 508687), (82, 496280), (95, 428368), (152, 267730), (164, 248140), (190, 214184), (205, 198512), (304, 133865), (328, 124070), (380, 107092), (410, 99256), (653, 62320), (656, 62035), (760, 53546), (779, 52240), (820, 49628), (1306, 31160), (1520, 26773), (1558, 26120), (1640, 24814), (2612, 15580), (3116, 13060), (3265, 12464), (3280, 12407), (3895, 10448), (5224, 7790), (6232, 6530)]