20100996500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{2341}}^1$

素因数の和:3694

約数の個数: 96

約数和(自身を含む): 47333543712

約数和(自身を除く): 27232547212

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1321, 1625, 2341, 2642, 3250, 4682, 5284, 6500, 6605, 9364, 11705, 13210, 17173, 23410, 26420, 30433, 33025, 34346, 46820, 58525, 60866, 66050, 68692, 85865, 117050, 121732, 132100, 152165, 165125, 171730, 234100, 292625, 304330, 330250, 343460, 429325, 585250, 608660, 660500, 760825, 858650, 1170500, 1521650, 1717300, 2146625, 3043300, 3092461, 3804125, 4293250, 6184922, 7608250, 8586500, 12369844, 15216500, 15462305, 30924610, 40201993, 61849220, 77311525, 80403986, 154623050, 160807972, 201009965, 309246100, 386557625, 402019930, 773115250, 804039860, 1005049825, 1546230500, 2010099650, 4020199300, 5025249125, 10050498250, 20100996500]

約数ペア:

[(1, 20100996500), (2, 10050498250), (4, 5025249125), (5, 4020199300), (10, 2010099650), (13, 1546230500), (20, 1005049825), (25, 804039860), (26, 773115250), (50, 402019930), (52, 386557625), (65, 309246100), (100, 201009965), (125, 160807972), (130, 154623050), (250, 80403986), (260, 77311525), (325, 61849220), (500, 40201993), (650, 30924610), (1300, 15462305), (1321, 15216500), (1625, 12369844), (2341, 8586500), (2642, 7608250), (3250, 6184922), (4682, 4293250), (5284, 3804125), (6500, 3092461), (6605, 3043300), (9364, 2146625), (11705, 1717300), (13210, 1521650), (17173, 1170500), (23410, 858650), (26420, 760825), (30433, 660500), (33025, 608660), (34346, 585250), (46820, 429325), (58525, 343460), (60866, 330250), (66050, 304330), (68692, 292625), (85865, 234100), (117050, 171730), (121732, 165125), (132100, 152165)]