80228000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 203793408

約数和(自身を除く): 123565408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 647, 775, 800, 992, 1000, 1240, 1294, 1550, 2000, 2480, 2588, 3100, 3235, 3875, 4000, 4960, 5176, 6200, 6470, 7750, 10352, 12400, 12940, 15500, 16175, 20057, 20704, 24800, 25880, 31000, 32350, 40114, 51760, 62000, 64700, 80228, 80875, 100285, 103520, 124000, 129400, 160456, 161750, 200570, 258800, 320912, 323500, 401140, 501425, 517600, 641824, 647000, 802280, 1002850, 1294000, 1604560, 2005700, 2507125, 2588000, 3209120, 4011400, 5014250, 8022800, 10028500, 16045600, 20057000, 40114000, 80228000]

約数ペア:

[(1, 80228000), (2, 40114000), (4, 20057000), (5, 16045600), (8, 10028500), (10, 8022800), (16, 5014250), (20, 4011400), (25, 3209120), (31, 2588000), (32, 2507125), (40, 2005700), (50, 1604560), (62, 1294000), (80, 1002850), (100, 802280), (124, 647000), (125, 641824), (155, 517600), (160, 501425), (200, 401140), (248, 323500), (250, 320912), (310, 258800), (400, 200570), (496, 161750), (500, 160456), (620, 129400), (647, 124000), (775, 103520), (800, 100285), (992, 80875), (1000, 80228), (1240, 64700), (1294, 62000), (1550, 51760), (2000, 40114), (2480, 32350), (2588, 31000), (3100, 25880), (3235, 24800), (3875, 20704), (4000, 20057), (4960, 16175), (5176, 15500), (6200, 12940), (6470, 12400), (7750, 10352)]