2016505040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{25747}}^1$

素因数の和:25860

約数の個数: 80

約数和(自身を含む): 5172258240

約数和(自身を除く): 3155753200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 1424, 1780, 1958, 3560, 3916, 4895, 7120, 7832, 9790, 15664, 19580, 25747, 39160, 51494, 78320, 102988, 128735, 205976, 257470, 283217, 411952, 514940, 566434, 1029880, 1132868, 1416085, 2059760, 2265736, 2291483, 2832170, 4531472, 4582966, 5664340, 9165932, 11328680, 11457415, 18331864, 22657360, 22914830, 25206313, 36663728, 45829660, 50412626, 91659320, 100825252, 126031565, 183318640, 201650504, 252063130, 403301008, 504126260, 1008252520, 2016505040]

約数ペア:

[(1, 2016505040), (2, 1008252520), (4, 504126260), (5, 403301008), (8, 252063130), (10, 201650504), (11, 183318640), (16, 126031565), (20, 100825252), (22, 91659320), (40, 50412626), (44, 45829660), (55, 36663728), (80, 25206313), (88, 22914830), (89, 22657360), (110, 18331864), (176, 11457415), (178, 11328680), (220, 9165932), (356, 5664340), (440, 4582966), (445, 4531472), (712, 2832170), (880, 2291483), (890, 2265736), (979, 2059760), (1424, 1416085), (1780, 1132868), (1958, 1029880), (3560, 566434), (3916, 514940), (4895, 411952), (7120, 283217), (7832, 257470), (9790, 205976), (15664, 128735), (19580, 102988), (25747, 78320), (39160, 51494)]