260040400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 120

約数和(自身を含む): 656616704

約数和(自身を除く): 396576304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 67, 80, 100, 124, 134, 155, 200, 248, 268, 310, 313, 335, 400, 496, 536, 620, 626, 670, 775, 1072, 1240, 1252, 1340, 1550, 1565, 1675, 2077, 2480, 2504, 2680, 3100, 3130, 3350, 4154, 5008, 5360, 6200, 6260, 6700, 7825, 8308, 9703, 10385, 12400, 12520, 13400, 15650, 16616, 19406, 20770, 20971, 25040, 26800, 31300, 33232, 38812, 41540, 41942, 48515, 51925, 62600, 77624, 83080, 83884, 97030, 103850, 104855, 125200, 155248, 166160, 167768, 194060, 207700, 209710, 242575, 335536, 388120, 415400, 419420, 485150, 524275, 650101, 776240, 830800, 838840, 970300, 1048550, 1300202, 1677680, 1940600, 2097100, 2600404, 3250505, 3881200, 4194200, 5200808, 6501010, 8388400, 10401616, 13002020, 16252525, 26004040, 32505050, 52008080, 65010100, 130020200, 260040400]

約数ペア:

[(1, 260040400), (2, 130020200), (4, 65010100), (5, 52008080), (8, 32505050), (10, 26004040), (16, 16252525), (20, 13002020), (25, 10401616), (31, 8388400), (40, 6501010), (50, 5200808), (62, 4194200), (67, 3881200), (80, 3250505), (100, 2600404), (124, 2097100), (134, 1940600), (155, 1677680), (200, 1300202), (248, 1048550), (268, 970300), (310, 838840), (313, 830800), (335, 776240), (400, 650101), (496, 524275), (536, 485150), (620, 419420), (626, 415400), (670, 388120), (775, 335536), (1072, 242575), (1240, 209710), (1252, 207700), (1340, 194060), (1550, 167768), (1565, 166160), (1675, 155248), (2077, 125200), (2480, 104855), (2504, 103850), (2680, 97030), (3100, 83884), (3130, 83080), (3350, 77624), (4154, 62600), (5008, 51925), (5360, 48515), (6200, 41942), (6260, 41540), (6700, 38812), (7825, 33232), (8308, 31300), (9703, 26800), (10385, 25040), (12400, 20971), (12520, 20770), (13400, 19406), (15650, 16616)]