12490400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1234

約数の個数: 72

約数和(自身を含む): 32865084

約数和(自身を除く): 20374684

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1201, 1300, 2080, 2402, 2600, 4804, 5200, 6005, 9608, 10400, 12010, 15613, 19216, 24020, 30025, 31226, 38432, 48040, 60050, 62452, 78065, 96080, 120100, 124904, 156130, 192160, 240200, 249808, 312260, 390325, 480400, 499616, 624520, 780650, 960800, 1249040, 1561300, 2498080, 3122600, 6245200, 12490400]

約数ペア:

[(1, 12490400), (2, 6245200), (4, 3122600), (5, 2498080), (8, 1561300), (10, 1249040), (13, 960800), (16, 780650), (20, 624520), (25, 499616), (26, 480400), (32, 390325), (40, 312260), (50, 249808), (52, 240200), (65, 192160), (80, 156130), (100, 124904), (104, 120100), (130, 96080), (160, 78065), (200, 62452), (208, 60050), (260, 48040), (325, 38432), (400, 31226), (416, 30025), (520, 24020), (650, 19216), (800, 15613), (1040, 12010), (1201, 10400), (1300, 9608), (2080, 6005), (2402, 5200), (2600, 4804)]