65378560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3929}}^1$

素因数の和:3963

約数の個数: 72

約数和(自身を含む): 168691320

約数和(自身を除く): 103312760

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, 3929, 4160, 7858, 8320, 15716, 16640, 19645, 31432, 39290, 51077, 62864, 78580, 102154, 125728, 157160, 204308, 251456, 255385, 314320, 408616, 502912, 510770, 628640, 817232, 1005824, 1021540, 1257280, 1634464, 2043080, 2514560, 3268928, 4086160, 5029120, 6537856, 8172320, 13075712, 16344640, 32689280, 65378560]

約数ペア:

[(1, 65378560), (2, 32689280), (4, 16344640), (5, 13075712), (8, 8172320), (10, 6537856), (13, 5029120), (16, 4086160), (20, 3268928), (26, 2514560), (32, 2043080), (40, 1634464), (52, 1257280), (64, 1021540), (65, 1005824), (80, 817232), (104, 628640), (128, 510770), (130, 502912), (160, 408616), (208, 314320), (256, 255385), (260, 251456), (320, 204308), (416, 157160), (520, 125728), (640, 102154), (832, 78580), (1040, 62864), (1280, 51077), (1664, 39290), (2080, 31432), (3328, 19645), (3929, 16640), (4160, 15716), (7858, 8320)]