128966480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55589}}^1$

素因数の和:55631

約数の個数: 40

約数和(自身を含む): 310192200

約数和(自身を除く): 181225720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55589, 111178, 222356, 277945, 444712, 555890, 889424, 1111780, 1612081, 2223560, 3224162, 4447120, 6448324, 8060405, 12896648, 16120810, 25793296, 32241620, 64483240, 128966480]

約数ペア:

[(1, 128966480), (2, 64483240), (4, 32241620), (5, 25793296), (8, 16120810), (10, 12896648), (16, 8060405), (20, 6448324), (29, 4447120), (40, 3224162), (58, 2223560), (80, 1612081), (116, 1111780), (145, 889424), (232, 555890), (290, 444712), (464, 277945), (580, 222356), (1160, 111178), (2320, 55589)]