262537760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1378

約数の個数: 96

約数和(自身を含む): 656377344

約数和(自身を除く): 393839584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 992, 1240, 1271, 1291, 1312, 1640, 2480, 2542, 2582, 3280, 4960, 5084, 5164, 6355, 6455, 6560, 10168, 10328, 12710, 12910, 20336, 20656, 25420, 25820, 40021, 40672, 41312, 50840, 51640, 52931, 80042, 101680, 103280, 105862, 160084, 200105, 203360, 206560, 211724, 264655, 320168, 400210, 423448, 529310, 640336, 800420, 846896, 1058620, 1280672, 1600840, 1640861, 1693792, 2117240, 3201680, 3281722, 4234480, 6403360, 6563444, 8204305, 8468960, 13126888, 16408610, 26253776, 32817220, 52507552, 65634440, 131268880, 262537760]

約数ペア:

[(1, 262537760), (2, 131268880), (4, 65634440), (5, 52507552), (8, 32817220), (10, 26253776), (16, 16408610), (20, 13126888), (31, 8468960), (32, 8204305), (40, 6563444), (41, 6403360), (62, 4234480), (80, 3281722), (82, 3201680), (124, 2117240), (155, 1693792), (160, 1640861), (164, 1600840), (205, 1280672), (248, 1058620), (310, 846896), (328, 800420), (410, 640336), (496, 529310), (620, 423448), (656, 400210), (820, 320168), (992, 264655), (1240, 211724), (1271, 206560), (1291, 203360), (1312, 200105), (1640, 160084), (2480, 105862), (2542, 103280), (2582, 101680), (3280, 80042), (4960, 52931), (5084, 51640), (5164, 50840), (6355, 41312), (6455, 40672), (6560, 40021), (10168, 25820), (10328, 25420), (12710, 20656), (12910, 20336)]