25215565540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127493}}^1$

素因数の和:127573

約数の個数: 96

約数和(自身を含む): 61686696960

約数和(自身を除く): 36471131420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 124, 145, 155, 220, 290, 310, 319, 341, 580, 620, 638, 682, 899, 1276, 1364, 1595, 1705, 1798, 3190, 3410, 3596, 4495, 6380, 6820, 8990, 9889, 17980, 19778, 39556, 49445, 98890, 127493, 197780, 254986, 509972, 637465, 1274930, 1402423, 2549860, 2804846, 3697297, 3952283, 5609692, 7012115, 7394594, 7904566, 14024230, 14789188, 15809132, 18486485, 19761415, 28048460, 36972970, 39522830, 40670267, 43475113, 73945940, 79045660, 81340534, 86950226, 114616207, 162681068, 173900452, 203351335, 217375565, 229232414, 406702670, 434751130, 458464828, 573081035, 813405340, 869502260, 1146162070, 1260778277, 2292324140, 2521556554, 5043113108, 6303891385, 12607782770, 25215565540]

約数ペア:

[(1, 25215565540), (2, 12607782770), (4, 6303891385), (5, 5043113108), (10, 2521556554), (11, 2292324140), (20, 1260778277), (22, 1146162070), (29, 869502260), (31, 813405340), (44, 573081035), (55, 458464828), (58, 434751130), (62, 406702670), (110, 229232414), (116, 217375565), (124, 203351335), (145, 173900452), (155, 162681068), (220, 114616207), (290, 86950226), (310, 81340534), (319, 79045660), (341, 73945940), (580, 43475113), (620, 40670267), (638, 39522830), (682, 36972970), (899, 28048460), (1276, 19761415), (1364, 18486485), (1595, 15809132), (1705, 14789188), (1798, 14024230), (3190, 7904566), (3410, 7394594), (3596, 7012115), (4495, 5609692), (6380, 3952283), (6820, 3697297), (8990, 2804846), (9889, 2549860), (17980, 1402423), (19778, 1274930), (39556, 637465), (49445, 509972), (98890, 254986), (127493, 197780)]