31825840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 78494976

約数和(自身を除く): 46669136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 313, 328, 410, 496, 620, 626, 656, 820, 1240, 1252, 1271, 1565, 1640, 2480, 2504, 2542, 3130, 3280, 5008, 5084, 6260, 6355, 9703, 10168, 12520, 12710, 12833, 19406, 20336, 25040, 25420, 25666, 38812, 48515, 50840, 51332, 64165, 77624, 97030, 101680, 102664, 128330, 155248, 194060, 205328, 256660, 388120, 397823, 513320, 776240, 795646, 1026640, 1591292, 1989115, 3182584, 3978230, 6365168, 7956460, 15912920, 31825840]

約数ペア:

[(1, 31825840), (2, 15912920), (4, 7956460), (5, 6365168), (8, 3978230), (10, 3182584), (16, 1989115), (20, 1591292), (31, 1026640), (40, 795646), (41, 776240), (62, 513320), (80, 397823), (82, 388120), (124, 256660), (155, 205328), (164, 194060), (205, 155248), (248, 128330), (310, 102664), (313, 101680), (328, 97030), (410, 77624), (496, 64165), (620, 51332), (626, 50840), (656, 48515), (820, 38812), (1240, 25666), (1252, 25420), (1271, 25040), (1565, 20336), (1640, 19406), (2480, 12833), (2504, 12710), (2542, 12520), (3130, 10168), (3280, 9703), (5008, 6355), (5084, 6260)]