40658290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 81907200

約数和(自身を除く): 41248910

約数列:

[1, 2, 5, 10, 19, 29, 38, 47, 58, 94, 95, 145, 157, 190, 235, 290, 314, 470, 551, 785, 893, 1102, 1363, 1570, 1786, 2726, 2755, 2983, 4465, 4553, 5510, 5966, 6815, 7379, 8930, 9106, 13630, 14758, 14915, 22765, 25897, 29830, 36895, 45530, 51794, 73790, 86507, 129485, 140201, 173014, 213991, 258970, 280402, 427982, 432535, 701005, 865070, 1069955, 1402010, 2139910, 4065829, 8131658, 20329145, 40658290]

約数ペア:

[(1, 40658290), (2, 20329145), (5, 8131658), (10, 4065829), (19, 2139910), (29, 1402010), (38, 1069955), (47, 865070), (58, 701005), (94, 432535), (95, 427982), (145, 280402), (157, 258970), (190, 213991), (235, 173014), (290, 140201), (314, 129485), (470, 86507), (551, 73790), (785, 51794), (893, 45530), (1102, 36895), (1363, 29830), (1570, 25897), (1786, 22765), (2726, 14915), (2755, 14758), (2983, 13630), (4465, 9106), (4553, 8930), (5510, 7379), (5966, 6815)]