40004128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 84115584

約数和(自身を除く): 44111456

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 151, 272, 302, 487, 544, 604, 974, 1208, 1948, 2416, 2567, 3896, 4832, 5134, 7792, 8279, 10268, 15584, 16558, 20536, 33116, 41072, 66232, 73537, 82144, 132464, 147074, 264928, 294148, 588296, 1176592, 1250129, 2353184, 2500258, 5000516, 10001032, 20002064, 40004128]

約数ペア:

[(1, 40004128), (2, 20002064), (4, 10001032), (8, 5000516), (16, 2500258), (17, 2353184), (32, 1250129), (34, 1176592), (68, 588296), (136, 294148), (151, 264928), (272, 147074), (302, 132464), (487, 82144), (544, 73537), (604, 66232), (974, 41072), (1208, 33116), (1948, 20536), (2416, 16558), (2567, 15584), (3896, 10268), (4832, 8279), (5134, 7792)]