38842720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 106444800

約数和(自身を除く): 67602080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 439, 553, 560, 632, 790, 878, 1106, 1120, 1264, 1580, 1756, 2195, 2212, 2528, 2765, 3073, 3160, 3512, 4390, 4424, 5530, 6146, 6320, 7024, 8780, 8848, 11060, 12292, 12640, 14048, 15365, 17560, 17696, 22120, 24584, 30730, 34681, 35120, 44240, 49168, 61460, 69362, 70240, 88480, 98336, 122920, 138724, 173405, 242767, 245840, 277448, 346810, 485534, 491680, 554896, 693620, 971068, 1109792, 1213835, 1387240, 1942136, 2427670, 2774480, 3884272, 4855340, 5548960, 7768544, 9710680, 19421360, 38842720]

約数ペア:

[(1, 38842720), (2, 19421360), (4, 9710680), (5, 7768544), (7, 5548960), (8, 4855340), (10, 3884272), (14, 2774480), (16, 2427670), (20, 1942136), (28, 1387240), (32, 1213835), (35, 1109792), (40, 971068), (56, 693620), (70, 554896), (79, 491680), (80, 485534), (112, 346810), (140, 277448), (158, 245840), (160, 242767), (224, 173405), (280, 138724), (316, 122920), (395, 98336), (439, 88480), (553, 70240), (560, 69362), (632, 61460), (790, 49168), (878, 44240), (1106, 35120), (1120, 34681), (1264, 30730), (1580, 24584), (1756, 22120), (2195, 17696), (2212, 17560), (2528, 15365), (2765, 14048), (3073, 12640), (3160, 12292), (3512, 11060), (4390, 8848), (4424, 8780), (5530, 7024), (6146, 6320)]