65818120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 88405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 599, 670, 820, 1198, 1340, 1640, 2396, 2680, 2747, 2995, 4792, 5494, 5990, 10988, 11980, 13735, 21976, 23960, 24559, 27470, 40133, 49118, 54940, 80266, 98236, 109880, 122795, 160532, 196472, 200665, 245590, 321064, 401330, 491180, 802660, 982360, 1605320, 1645453, 3290906, 6581812, 8227265, 13163624, 16454530, 32909060, 65818120]

約数ペア:

[(1, 65818120), (2, 32909060), (4, 16454530), (5, 13163624), (8, 8227265), (10, 6581812), (20, 3290906), (40, 1645453), (41, 1605320), (67, 982360), (82, 802660), (134, 491180), (164, 401330), (205, 321064), (268, 245590), (328, 200665), (335, 196472), (410, 160532), (536, 122795), (599, 109880), (670, 98236), (820, 80266), (1198, 54940), (1340, 49118), (1640, 40133), (2396, 27470), (2680, 24559), (2747, 23960), (2995, 21976), (4792, 13735), (5494, 11980), (5990, 10988)]