80512640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9677}}^1$

素因数の和:9709

約数の個数: 64

約数和(自身を含む): 207302760

約数和(自身を除く): 126790120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9677, 19354, 38708, 48385, 77416, 96770, 125801, 154832, 193540, 251602, 309664, 387080, 503204, 619328, 629005, 774160, 1006408, 1238656, 1258010, 1548320, 2012816, 2516020, 3096640, 4025632, 5032040, 6193280, 8051264, 10064080, 16102528, 20128160, 40256320, 80512640]

約数ペア:

[(1, 80512640), (2, 40256320), (4, 20128160), (5, 16102528), (8, 10064080), (10, 8051264), (13, 6193280), (16, 5032040), (20, 4025632), (26, 3096640), (32, 2516020), (40, 2012816), (52, 1548320), (64, 1258010), (65, 1238656), (80, 1006408), (104, 774160), (128, 629005), (130, 619328), (160, 503204), (208, 387080), (260, 309664), (320, 251602), (416, 193540), (520, 154832), (640, 125801), (832, 96770), (1040, 77416), (1664, 48385), (2080, 38708), (4160, 19354), (8320, 9677)]