5451781520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{12281}}^1$

素因数の和:12504

約数の個数: 80

約数和(自身を含む): 13158443520

約数和(自身を除く): 7706662000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 358, 496, 620, 716, 895, 1240, 1432, 1790, 2480, 2864, 3580, 5549, 7160, 11098, 12281, 14320, 22196, 24562, 27745, 44392, 49124, 55490, 61405, 88784, 98248, 110980, 122810, 196496, 221960, 245620, 380711, 443920, 491240, 761422, 982480, 1522844, 1903555, 2198299, 3045688, 3807110, 4396598, 6091376, 7614220, 8793196, 10991495, 15228440, 17586392, 21982990, 30456880, 35172784, 43965980, 68147269, 87931960, 136294538, 175863920, 272589076, 340736345, 545178152, 681472690, 1090356304, 1362945380, 2725890760, 5451781520]

約数ペア:

[(1, 5451781520), (2, 2725890760), (4, 1362945380), (5, 1090356304), (8, 681472690), (10, 545178152), (16, 340736345), (20, 272589076), (31, 175863920), (40, 136294538), (62, 87931960), (80, 68147269), (124, 43965980), (155, 35172784), (179, 30456880), (248, 21982990), (310, 17586392), (358, 15228440), (496, 10991495), (620, 8793196), (716, 7614220), (895, 6091376), (1240, 4396598), (1432, 3807110), (1790, 3045688), (2480, 2198299), (2864, 1903555), (3580, 1522844), (5549, 982480), (7160, 761422), (11098, 491240), (12281, 443920), (14320, 380711), (22196, 245620), (24562, 221960), (27745, 196496), (44392, 122810), (49124, 110980), (55490, 98248), (61405, 88784)]