26482270720

素因数分解:

$2^9\times 5^1\times {\mathrm{239}}^1\times {\mathrm{43283}}^1$

素因数の和:43545

約数の個数: 80

約数和(自身を含む): 63762526080

約数和(自身を除く): 37280255360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 512, 640, 956, 1195, 1280, 1912, 2390, 2560, 3824, 4780, 7648, 9560, 15296, 19120, 30592, 38240, 43283, 61184, 76480, 86566, 122368, 152960, 173132, 216415, 305920, 346264, 432830, 611840, 692528, 865660, 1385056, 1731320, 2770112, 3462640, 5540224, 6925280, 10344637, 11080448, 13850560, 20689274, 22160896, 27701120, 41378548, 51723185, 55402240, 82757096, 103446370, 110804480, 165514192, 206892740, 331028384, 413785480, 662056768, 827570960, 1324113536, 1655141920, 2648227072, 3310283840, 5296454144, 6620567680, 13241135360, 26482270720]

約数ペア:

[(1, 26482270720), (2, 13241135360), (4, 6620567680), (5, 5296454144), (8, 3310283840), (10, 2648227072), (16, 1655141920), (20, 1324113536), (32, 827570960), (40, 662056768), (64, 413785480), (80, 331028384), (128, 206892740), (160, 165514192), (239, 110804480), (256, 103446370), (320, 82757096), (478, 55402240), (512, 51723185), (640, 41378548), (956, 27701120), (1195, 22160896), (1280, 20689274), (1912, 13850560), (2390, 11080448), (2560, 10344637), (3824, 6925280), (4780, 5540224), (7648, 3462640), (9560, 2770112), (15296, 1731320), (19120, 1385056), (30592, 865660), (38240, 692528), (43283, 611840), (61184, 432830), (76480, 346264), (86566, 305920), (122368, 216415), (152960, 173132)]