12922240

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 31493520

約数和(自身を除く): 18571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 331, 488, 610, 640, 662, 976, 1220, 1324, 1655, 1952, 2440, 2648, 3310, 3904, 4880, 5296, 6620, 7808, 9760, 10592, 13240, 19520, 20191, 21184, 26480, 39040, 40382, 42368, 52960, 80764, 100955, 105920, 161528, 201910, 211840, 323056, 403820, 646112, 807640, 1292224, 1615280, 2584448, 3230560, 6461120, 12922240]

約数ペア:

[(1, 12922240), (2, 6461120), (4, 3230560), (5, 2584448), (8, 1615280), (10, 1292224), (16, 807640), (20, 646112), (32, 403820), (40, 323056), (61, 211840), (64, 201910), (80, 161528), (122, 105920), (128, 100955), (160, 80764), (244, 52960), (305, 42368), (320, 40382), (331, 39040), (488, 26480), (610, 21184), (640, 20191), (662, 19520), (976, 13240), (1220, 10592), (1324, 9760), (1655, 7808), (1952, 6620), (2440, 5296), (2648, 4880), (3310, 3904)]