78400064

素因数分解:

$2^6\times {\mathrm{619}}^1\times {\mathrm{1979}}^1$

素因数の和:2610

約数の個数: 28

約数和(自身を含む): 155905200

約数和(自身を除く): 77505136

約数列:

[1, 2, 4, 8, 16, 32, 64, 619, 1238, 1979, 2476, 3958, 4952, 7916, 9904, 15832, 19808, 31664, 39616, 63328, 126656, 1225001, 2450002, 4900004, 9800008, 19600016, 39200032, 78400064]

約数ペア:

[(1, 78400064), (2, 39200032), (4, 19600016), (8, 9800008), (16, 4900004), (32, 2450002), (64, 1225001), (619, 126656), (1238, 63328), (1979, 39616), (2476, 31664), (3958, 19808), (4952, 15832), (7916, 9904)]