80515700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 183654912

約数和(自身を除く): 103139212

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 185, 188, 235, 370, 463, 470, 740, 925, 926, 940, 1175, 1739, 1850, 1852, 2315, 2350, 3478, 3700, 4630, 4700, 6956, 8695, 9260, 11575, 17131, 17390, 21761, 23150, 34262, 34780, 43475, 43522, 46300, 68524, 85655, 86950, 87044, 108805, 171310, 173900, 217610, 342620, 428275, 435220, 544025, 805157, 856550, 1088050, 1610314, 1713100, 2176100, 3220628, 4025785, 8051570, 16103140, 20128925, 40257850, 80515700]

約数ペア:

[(1, 80515700), (2, 40257850), (4, 20128925), (5, 16103140), (10, 8051570), (20, 4025785), (25, 3220628), (37, 2176100), (47, 1713100), (50, 1610314), (74, 1088050), (94, 856550), (100, 805157), (148, 544025), (185, 435220), (188, 428275), (235, 342620), (370, 217610), (463, 173900), (470, 171310), (740, 108805), (925, 87044), (926, 86950), (940, 85655), (1175, 68524), (1739, 46300), (1850, 43522), (1852, 43475), (2315, 34780), (2350, 34262), (3478, 23150), (3700, 21761), (4630, 17390), (4700, 17131), (6956, 11575), (8695, 9260)]