27668120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 37961320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 421, 424, 530, 620, 842, 1060, 1240, 1643, 1684, 2105, 2120, 3286, 3368, 4210, 6572, 8215, 8420, 13051, 13144, 16430, 16840, 22313, 26102, 32860, 44626, 52204, 65255, 65720, 89252, 104408, 111565, 130510, 178504, 223130, 261020, 446260, 522040, 691703, 892520, 1383406, 2766812, 3458515, 5533624, 6917030, 13834060, 27668120]

約数ペア:

[(1, 27668120), (2, 13834060), (4, 6917030), (5, 5533624), (8, 3458515), (10, 2766812), (20, 1383406), (31, 892520), (40, 691703), (53, 522040), (62, 446260), (106, 261020), (124, 223130), (155, 178504), (212, 130510), (248, 111565), (265, 104408), (310, 89252), (421, 65720), (424, 65255), (530, 52204), (620, 44626), (842, 32860), (1060, 26102), (1240, 22313), (1643, 16840), (1684, 16430), (2105, 13144), (2120, 13051), (3286, 8420), (3368, 8215), (4210, 6572)]