16402720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3353

約数の個数: 48

約数和(自身を含む): 40013568

約数和(自身を除く): 23610848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3307, 4960, 6614, 13228, 16535, 26456, 33070, 52912, 66140, 102517, 105824, 132280, 205034, 264560, 410068, 512585, 529120, 820136, 1025170, 1640272, 2050340, 3280544, 4100680, 8201360, 16402720]

約数ペア:

[(1, 16402720), (2, 8201360), (4, 4100680), (5, 3280544), (8, 2050340), (10, 1640272), (16, 1025170), (20, 820136), (31, 529120), (32, 512585), (40, 410068), (62, 264560), (80, 205034), (124, 132280), (155, 105824), (160, 102517), (248, 66140), (310, 52912), (496, 33070), (620, 26456), (992, 16535), (1240, 13228), (2480, 6614), (3307, 4960)]