512546560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12917}}^1$

素因数の和:12969

約数の個数: 72

約数和(自身を含む): 1267410816

約数和(自身を除く): 754864256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 12917, 19840, 25834, 39680, 51668, 64585, 103336, 129170, 206672, 258340, 400427, 413344, 516680, 800854, 826688, 1033360, 1601708, 1653376, 2002135, 2066720, 3203416, 3306752, 4004270, 4133440, 6406832, 8008540, 8266880, 12813664, 16017080, 16533760, 25627328, 32034160, 51254656, 64068320, 102509312, 128136640, 256273280, 512546560]

約数ペア:

[(1, 512546560), (2, 256273280), (4, 128136640), (5, 102509312), (8, 64068320), (10, 51254656), (16, 32034160), (20, 25627328), (31, 16533760), (32, 16017080), (40, 12813664), (62, 8266880), (64, 8008540), (80, 6406832), (124, 4133440), (128, 4004270), (155, 3306752), (160, 3203416), (248, 2066720), (256, 2002135), (310, 1653376), (320, 1601708), (496, 1033360), (620, 826688), (640, 800854), (992, 516680), (1240, 413344), (1280, 400427), (1984, 258340), (2480, 206672), (3968, 129170), (4960, 103336), (7936, 64585), (9920, 51668), (12917, 39680), (19840, 25834)]