208013000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16035

約数の個数: 64

約数和(自身を含む): 524225520

約数和(自身を除く): 316212520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 16001, 32002, 64004, 80005, 128008, 160010, 208013, 320020, 400025, 416026, 640040, 800050, 832052, 1040065, 1600100, 1664104, 2000125, 2080130, 3200200, 4000250, 4160260, 5200325, 8000500, 8320520, 10400650, 16001000, 20801300, 26001625, 41602600, 52003250, 104006500, 208013000]

約数ペア:

[(1, 208013000), (2, 104006500), (4, 52003250), (5, 41602600), (8, 26001625), (10, 20801300), (13, 16001000), (20, 10400650), (25, 8320520), (26, 8000500), (40, 5200325), (50, 4160260), (52, 4000250), (65, 3200200), (100, 2080130), (104, 2000125), (125, 1664104), (130, 1600100), (200, 1040065), (250, 832052), (260, 800050), (325, 640040), (500, 416026), (520, 400025), (650, 320020), (1000, 208013), (1300, 160010), (1625, 128008), (2600, 80005), (3250, 64004), (6500, 32002), (13000, 16001)]