5208320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 13478136

約数和(自身を除く): 8269816

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, 313, 320, 416, 520, 626, 640, 832, 1040, 1252, 1280, 1565, 1664, 2080, 2504, 3130, 3328, 4069, 4160, 5008, 6260, 8138, 8320, 10016, 12520, 16276, 16640, 20032, 20345, 25040, 32552, 40064, 40690, 50080, 65104, 80128, 81380, 100160, 130208, 162760, 200320, 260416, 325520, 400640, 520832, 651040, 1041664, 1302080, 2604160, 5208320]

約数ペア:

[(1, 5208320), (2, 2604160), (4, 1302080), (5, 1041664), (8, 651040), (10, 520832), (13, 400640), (16, 325520), (20, 260416), (26, 200320), (32, 162760), (40, 130208), (52, 100160), (64, 81380), (65, 80128), (80, 65104), (104, 50080), (128, 40690), (130, 40064), (160, 32552), (208, 25040), (256, 20345), (260, 20032), (313, 16640), (320, 16276), (416, 12520), (520, 10016), (626, 8320), (640, 8138), (832, 6260), (1040, 5008), (1252, 4160), (1280, 4069), (1565, 3328), (1664, 3130), (2080, 2504)]