20260267520

素因数分解:

$2^9\times 5^1\times {\mathrm{277}}^1\times {\mathrm{28571}}^1$

素因数の和:28871

約数の個数: 80

約数和(自身を含む): 48754232208

約数和(自身を除く): 28493964688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 277, 320, 512, 554, 640, 1108, 1280, 1385, 2216, 2560, 2770, 4432, 5540, 8864, 11080, 17728, 22160, 28571, 35456, 44320, 57142, 70912, 88640, 114284, 141824, 142855, 177280, 228568, 285710, 354560, 457136, 571420, 709120, 914272, 1142840, 1828544, 2285680, 3657088, 4571360, 7314176, 7914167, 9142720, 14628352, 15828334, 18285440, 31656668, 36570880, 39570835, 63313336, 73141760, 79141670, 126626672, 158283340, 253253344, 316566680, 506506688, 633133360, 1013013376, 1266266720, 2026026752, 2532533440, 4052053504, 5065066880, 10130133760, 20260267520]

約数ペア:

[(1, 20260267520), (2, 10130133760), (4, 5065066880), (5, 4052053504), (8, 2532533440), (10, 2026026752), (16, 1266266720), (20, 1013013376), (32, 633133360), (40, 506506688), (64, 316566680), (80, 253253344), (128, 158283340), (160, 126626672), (256, 79141670), (277, 73141760), (320, 63313336), (512, 39570835), (554, 36570880), (640, 31656668), (1108, 18285440), (1280, 15828334), (1385, 14628352), (2216, 9142720), (2560, 7914167), (2770, 7314176), (4432, 4571360), (5540, 3657088), (8864, 2285680), (11080, 1828544), (17728, 1142840), (22160, 914272), (28571, 709120), (35456, 571420), (44320, 457136), (57142, 354560), (70912, 285710), (88640, 228568), (114284, 177280), (141824, 142855)]