25872980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 66964968

約数和(自身を除く): 41091988

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1553, 1666, 2380, 3106, 3332, 4165, 6212, 7765, 8330, 10871, 15530, 16660, 21742, 26401, 31060, 43484, 52802, 54355, 76097, 105604, 108710, 132005, 152194, 184807, 217420, 264010, 304388, 369614, 380485, 528020, 739228, 760970, 924035, 1293649, 1521940, 1848070, 2587298, 3696140, 5174596, 6468245, 12936490, 25872980]

約数ペア:

[(1, 25872980), (2, 12936490), (4, 6468245), (5, 5174596), (7, 3696140), (10, 2587298), (14, 1848070), (17, 1521940), (20, 1293649), (28, 924035), (34, 760970), (35, 739228), (49, 528020), (68, 380485), (70, 369614), (85, 304388), (98, 264010), (119, 217420), (140, 184807), (170, 152194), (196, 132005), (238, 108710), (245, 105604), (340, 76097), (476, 54355), (490, 52802), (595, 43484), (833, 31060), (980, 26401), (1190, 21742), (1553, 16660), (1666, 15530), (2380, 10871), (3106, 8330), (3332, 7765), (4165, 6212)]