203156720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195343}}^1$

素因数の和:195369

約数の個数: 40

約数和(自身を含む): 508675776

約数和(自身を除く): 305519056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 195343, 390686, 781372, 976715, 1562744, 1953430, 2539459, 3125488, 3906860, 5078918, 7813720, 10157836, 12697295, 15627440, 20315672, 25394590, 40631344, 50789180, 101578360, 203156720]

約数ペア:

[(1, 203156720), (2, 101578360), (4, 50789180), (5, 40631344), (8, 25394590), (10, 20315672), (13, 15627440), (16, 12697295), (20, 10157836), (26, 7813720), (40, 5078918), (52, 3906860), (65, 3125488), (80, 2539459), (104, 1953430), (130, 1562744), (208, 976715), (260, 781372), (520, 390686), (1040, 195343)]