40806272

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 88678800

約数和(自身を除く): 47872528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 137, 179, 208, 274, 358, 416, 548, 716, 832, 1096, 1432, 1664, 1781, 2192, 2327, 2864, 3562, 4384, 4654, 5728, 7124, 8768, 9308, 11456, 14248, 17536, 18616, 22912, 24523, 28496, 37232, 49046, 56992, 74464, 98092, 113984, 148928, 196184, 227968, 297856, 318799, 392368, 637598, 784736, 1275196, 1569472, 2550392, 3138944, 5100784, 10201568, 20403136, 40806272]

約数ペア:

[(1, 40806272), (2, 20403136), (4, 10201568), (8, 5100784), (13, 3138944), (16, 2550392), (26, 1569472), (32, 1275196), (52, 784736), (64, 637598), (104, 392368), (128, 318799), (137, 297856), (179, 227968), (208, 196184), (274, 148928), (358, 113984), (416, 98092), (548, 74464), (716, 56992), (832, 49046), (1096, 37232), (1432, 28496), (1664, 24523), (1781, 22912), (2192, 18616), (2327, 17536), (2864, 14248), (3562, 11456), (4384, 9308), (4654, 8768), (5728, 7124)]