40004384

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 72

約数和(自身を含む): 94687488

約数和(自身を除く): 54683104

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, 823, 868, 992, 1519, 1568, 1646, 1736, 3038, 3292, 3472, 5761, 6076, 6584, 6944, 11522, 12152, 13168, 23044, 24304, 25513, 26336, 40327, 46088, 48608, 51026, 80654, 92176, 102052, 161308, 178591, 184352, 204104, 322616, 357182, 408208, 645232, 714364, 816416, 1250137, 1290464, 1428728, 2500274, 2857456, 5000548, 5714912, 10001096, 20002192, 40004384]

約数ペア:

[(1, 40004384), (2, 20002192), (4, 10001096), (7, 5714912), (8, 5000548), (14, 2857456), (16, 2500274), (28, 1428728), (31, 1290464), (32, 1250137), (49, 816416), (56, 714364), (62, 645232), (98, 408208), (112, 357182), (124, 322616), (196, 204104), (217, 184352), (224, 178591), (248, 161308), (392, 102052), (434, 92176), (496, 80654), (784, 51026), (823, 48608), (868, 46088), (992, 40327), (1519, 26336), (1568, 25513), (1646, 24304), (1736, 23044), (3038, 13168), (3292, 12152), (3472, 11522), (5761, 6944), (6076, 6584)]