80229760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9643}}^1$

素因数の和:9675

約数の個数: 64

約数和(自身を含む): 206574480

約数和(自身を除く): 126344720

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, 9643, 19286, 38572, 48215, 77144, 96430, 125359, 154288, 192860, 250718, 308576, 385720, 501436, 617152, 626795, 771440, 1002872, 1234304, 1253590, 1542880, 2005744, 2507180, 3085760, 4011488, 5014360, 6171520, 8022976, 10028720, 16045952, 20057440, 40114880, 80229760]

約数ペア:

[(1, 80229760), (2, 40114880), (4, 20057440), (5, 16045952), (8, 10028720), (10, 8022976), (13, 6171520), (16, 5014360), (20, 4011488), (26, 3085760), (32, 2507180), (40, 2005744), (52, 1542880), (64, 1253590), (65, 1234304), (80, 1002872), (104, 771440), (128, 626795), (130, 617152), (160, 501436), (208, 385720), (260, 308576), (320, 250718), (416, 192860), (520, 154288), (640, 125359), (832, 96430), (1040, 77144), (1664, 48215), (2080, 38572), (4160, 19286), (8320, 9643)]