1021909720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{41813}}^1$

素因数の和:41884

約数の個数: 64

約数和(自身を含む): 2528910720

約数和(自身を除く): 1507001000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 12220, 24440, 41813, 83626, 167252, 209065, 334504, 418130, 543569, 836260, 1087138, 1672520, 1965211, 2174276, 2717845, 3930422, 4348552, 5435690, 7860844, 9826055, 10871380, 15721688, 19652110, 21742760, 25547743, 39304220, 51095486, 78608440, 102190972, 127738715, 204381944, 255477430, 510954860, 1021909720]

約数ペア:

[(1, 1021909720), (2, 510954860), (4, 255477430), (5, 204381944), (8, 127738715), (10, 102190972), (13, 78608440), (20, 51095486), (26, 39304220), (40, 25547743), (47, 21742760), (52, 19652110), (65, 15721688), (94, 10871380), (104, 9826055), (130, 7860844), (188, 5435690), (235, 4348552), (260, 3930422), (376, 2717845), (470, 2174276), (520, 1965211), (611, 1672520), (940, 1087138), (1222, 836260), (1880, 543569), (2444, 418130), (3055, 334504), (4888, 209065), (6110, 167252), (12220, 83626), (24440, 41813)]