13370680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 32234400

約数和(自身を除く): 18863720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 241, 292, 365, 380, 482, 584, 730, 760, 964, 1205, 1387, 1460, 1928, 2410, 2774, 2920, 4579, 4820, 5548, 6935, 9158, 9640, 11096, 13870, 17593, 18316, 22895, 27740, 35186, 36632, 45790, 55480, 70372, 87965, 91580, 140744, 175930, 183160, 334267, 351860, 668534, 703720, 1337068, 1671335, 2674136, 3342670, 6685340, 13370680]

約数ペア:

[(1, 13370680), (2, 6685340), (4, 3342670), (5, 2674136), (8, 1671335), (10, 1337068), (19, 703720), (20, 668534), (38, 351860), (40, 334267), (73, 183160), (76, 175930), (95, 140744), (146, 91580), (152, 87965), (190, 70372), (241, 55480), (292, 45790), (365, 36632), (380, 35186), (482, 27740), (584, 22895), (730, 18316), (760, 17593), (964, 13870), (1205, 11096), (1387, 9640), (1460, 9158), (1928, 6935), (2410, 5548), (2774, 4820), (2920, 4579)]