65518440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41999}}^1$

素因数の和:42026

約数の個数: 64

約数和(自身を含む): 211680000

約数和(自身を除く): 146161560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 41999, 83998, 125997, 167996, 209995, 251994, 335992, 419990, 503988, 545987, 629985, 839980, 1007976, 1091974, 1259970, 1637961, 1679960, 2183948, 2519940, 2729935, 3275922, 4367896, 5039880, 5459870, 6551844, 8189805, 10919740, 13103688, 16379610, 21839480, 32759220, 65518440]

約数ペア:

[(1, 65518440), (2, 32759220), (3, 21839480), (4, 16379610), (5, 13103688), (6, 10919740), (8, 8189805), (10, 6551844), (12, 5459870), (13, 5039880), (15, 4367896), (20, 3275922), (24, 2729935), (26, 2519940), (30, 2183948), (39, 1679960), (40, 1637961), (52, 1259970), (60, 1091974), (65, 1007976), (78, 839980), (104, 629985), (120, 545987), (130, 503988), (156, 419990), (195, 335992), (260, 251994), (312, 209995), (390, 167996), (520, 125997), (780, 83998), (1560, 41999)]