40198816

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:882

約数の個数: 72

約数和(自身を含む): 95147136

約数和(自身を除く): 54948320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 784, 827, 868, 992, 1519, 1568, 1654, 1736, 3038, 3308, 3472, 5789, 6076, 6616, 6944, 11578, 12152, 13232, 23156, 24304, 25637, 26464, 40523, 46312, 48608, 51274, 81046, 92624, 102548, 162092, 179459, 185248, 205096, 324184, 358918, 410192, 648368, 717836, 820384, 1256213, 1296736, 1435672, 2512426, 2871344, 5024852, 5742688, 10049704, 20099408, 40198816]

約数ペア:

[(1, 40198816), (2, 20099408), (4, 10049704), (7, 5742688), (8, 5024852), (14, 2871344), (16, 2512426), (28, 1435672), (31, 1296736), (32, 1256213), (49, 820384), (56, 717836), (62, 648368), (98, 410192), (112, 358918), (124, 324184), (196, 205096), (217, 185248), (224, 179459), (248, 162092), (392, 102548), (434, 92624), (496, 81046), (784, 51274), (827, 48608), (868, 46312), (992, 40523), (1519, 26464), (1568, 25637), (1654, 24304), (1736, 23156), (3038, 13232), (3308, 12152), (3472, 11578), (5789, 6944), (6076, 6616)]