202181720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1327}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 491944320

約数和(自身を除く): 289762600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 293, 520, 586, 1172, 1327, 1465, 2344, 2654, 2930, 3809, 5308, 5860, 6635, 7618, 10616, 11720, 13270, 15236, 17251, 19045, 26540, 30472, 34502, 38090, 53080, 69004, 76180, 86255, 138008, 152360, 172510, 345020, 388811, 690040, 777622, 1555244, 1944055, 3110488, 3888110, 5054543, 7776220, 10109086, 15552440, 20218172, 25272715, 40436344, 50545430, 101090860, 202181720]

約数ペア:

[(1, 202181720), (2, 101090860), (4, 50545430), (5, 40436344), (8, 25272715), (10, 20218172), (13, 15552440), (20, 10109086), (26, 7776220), (40, 5054543), (52, 3888110), (65, 3110488), (104, 1944055), (130, 1555244), (260, 777622), (293, 690040), (520, 388811), (586, 345020), (1172, 172510), (1327, 152360), (1465, 138008), (2344, 86255), (2654, 76180), (2930, 69004), (3809, 53080), (5308, 38090), (5860, 34502), (6635, 30472), (7618, 26540), (10616, 19045), (11720, 17251), (13270, 15236)]