260066560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15629}}^1$

素因数の和:15663

約数の個数: 72

約数和(自身を含む): 670902120

約数和(自身を除く): 410835560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 15629, 16640, 31258, 62516, 78145, 125032, 156290, 203177, 250064, 312580, 406354, 500128, 625160, 812708, 1000256, 1015885, 1250320, 1625416, 2000512, 2031770, 2500640, 3250832, 4001024, 4063540, 5001280, 6501664, 8127080, 10002560, 13003328, 16254160, 20005120, 26006656, 32508320, 52013312, 65016640, 130033280, 260066560]

約数ペア:

[(1, 260066560), (2, 130033280), (4, 65016640), (5, 52013312), (8, 32508320), (10, 26006656), (13, 20005120), (16, 16254160), (20, 13003328), (26, 10002560), (32, 8127080), (40, 6501664), (52, 5001280), (64, 4063540), (65, 4001024), (80, 3250832), (104, 2500640), (128, 2031770), (130, 2000512), (160, 1625416), (208, 1250320), (256, 1015885), (260, 1000256), (320, 812708), (416, 625160), (520, 500128), (640, 406354), (832, 312580), (1040, 250064), (1280, 203177), (1664, 156290), (2080, 125032), (3328, 78145), (4160, 62516), (8320, 31258), (15629, 16640)]