80388160

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1343

約数の個数: 56

約数和(自身を含む): 192435480

約数和(自身を除く): 112047320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 458, 916, 1097, 1145, 1832, 2194, 2290, 3664, 4388, 4580, 5485, 7328, 8776, 9160, 10970, 14656, 17552, 18320, 21940, 35104, 36640, 43880, 70208, 73280, 87760, 175520, 251213, 351040, 502426, 1004852, 1256065, 2009704, 2512130, 4019408, 5024260, 8038816, 10048520, 16077632, 20097040, 40194080, 80388160]

約数ペア:

[(1, 80388160), (2, 40194080), (4, 20097040), (5, 16077632), (8, 10048520), (10, 8038816), (16, 5024260), (20, 4019408), (32, 2512130), (40, 2009704), (64, 1256065), (80, 1004852), (160, 502426), (229, 351040), (320, 251213), (458, 175520), (916, 87760), (1097, 73280), (1145, 70208), (1832, 43880), (2194, 36640), (2290, 35104), (3664, 21940), (4388, 18320), (4580, 17552), (5485, 14656), (7328, 10970), (8776, 9160)]