820305408

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41081}}^1$

素因数の和:41115

約数の個数: 80

約数和(自身を含む): 2353505616

約数和(自身を除く): 1533200208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1248, 1536, 1664, 2496, 3328, 4992, 6656, 9984, 19968, 41081, 82162, 123243, 164324, 246486, 328648, 492972, 534053, 657296, 985944, 1068106, 1314592, 1602159, 1971888, 2136212, 2629184, 3204318, 3943776, 4272424, 5258368, 6408636, 7887552, 8544848, 10516736, 12817272, 15775104, 17089696, 21033472, 25634544, 31550208, 34179392, 51269088, 63100416, 68358784, 102538176, 136717568, 205076352, 273435136, 410152704, 820305408]

約数ペア:

[(1, 820305408), (2, 410152704), (3, 273435136), (4, 205076352), (6, 136717568), (8, 102538176), (12, 68358784), (13, 63100416), (16, 51269088), (24, 34179392), (26, 31550208), (32, 25634544), (39, 21033472), (48, 17089696), (52, 15775104), (64, 12817272), (78, 10516736), (96, 8544848), (104, 7887552), (128, 6408636), (156, 5258368), (192, 4272424), (208, 3943776), (256, 3204318), (312, 2629184), (384, 2136212), (416, 1971888), (512, 1602159), (624, 1314592), (768, 1068106), (832, 985944), (1248, 657296), (1536, 534053), (1664, 492972), (2496, 328648), (3328, 246486), (4992, 164324), (6656, 123243), (9984, 82162), (19968, 41081)]