19741036640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{26437}}^1$

素因数の和:26824

約数の個数: 96

約数和(自身を含む): 50367562560

約数和(自身を除く): 30626525920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 359, 416, 520, 718, 1040, 1436, 1795, 2080, 2872, 3590, 4667, 5744, 7180, 9334, 11488, 14360, 18668, 23335, 26437, 28720, 37336, 46670, 52874, 57440, 74672, 93340, 105748, 132185, 149344, 186680, 211496, 264370, 343681, 373360, 422992, 528740, 687362, 746720, 845984, 1057480, 1374724, 1718405, 2114960, 2749448, 3436810, 4229920, 5498896, 6873620, 9490883, 10997792, 13747240, 18981766, 27494480, 37963532, 47454415, 54988960, 75927064, 94908830, 123381479, 151854128, 189817660, 246762958, 303708256, 379635320, 493525916, 616907395, 759270640, 987051832, 1233814790, 1518541280, 1974103664, 2467629580, 3948207328, 4935259160, 9870518320, 19741036640]

約数ペア:

[(1, 19741036640), (2, 9870518320), (4, 4935259160), (5, 3948207328), (8, 2467629580), (10, 1974103664), (13, 1518541280), (16, 1233814790), (20, 987051832), (26, 759270640), (32, 616907395), (40, 493525916), (52, 379635320), (65, 303708256), (80, 246762958), (104, 189817660), (130, 151854128), (160, 123381479), (208, 94908830), (260, 75927064), (359, 54988960), (416, 47454415), (520, 37963532), (718, 27494480), (1040, 18981766), (1436, 13747240), (1795, 10997792), (2080, 9490883), (2872, 6873620), (3590, 5498896), (4667, 4229920), (5744, 3436810), (7180, 2749448), (9334, 2114960), (11488, 1718405), (14360, 1374724), (18668, 1057480), (23335, 845984), (26437, 746720), (28720, 687362), (37336, 528740), (46670, 422992), (52874, 373360), (57440, 343681), (74672, 264370), (93340, 211496), (105748, 186680), (132185, 149344)]