64652980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14897}}^1$

素因数の和:14944

約数の個数: 48

約数和(自身を含む): 160183296

約数和(自身を除く): 95530316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14897, 29794, 59588, 74485, 104279, 148970, 208558, 297940, 417116, 461807, 521395, 923614, 1042790, 1847228, 2085580, 2309035, 3232649, 4618070, 6465298, 9236140, 12930596, 16163245, 32326490, 64652980]

約数ペア:

[(1, 64652980), (2, 32326490), (4, 16163245), (5, 12930596), (7, 9236140), (10, 6465298), (14, 4618070), (20, 3232649), (28, 2309035), (31, 2085580), (35, 1847228), (62, 1042790), (70, 923614), (124, 521395), (140, 461807), (155, 417116), (217, 297940), (310, 208558), (434, 148970), (620, 104279), (868, 74485), (1085, 59588), (2170, 29794), (4340, 14897)]