38877440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4339}}^1$

素因数の和:4367

約数の個数: 72

約数和(自身を含む): 106451520

約数和(自身を除く): 67574080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4339, 4480, 8678, 8960, 17356, 21695, 30373, 34712, 43390, 60746, 69424, 86780, 121492, 138848, 151865, 173560, 242984, 277696, 303730, 347120, 485968, 555392, 607460, 694240, 971936, 1110784, 1214920, 1388480, 1943872, 2429840, 2776960, 3887744, 4859680, 5553920, 7775488, 9719360, 19438720, 38877440]

約数ペア:

[(1, 38877440), (2, 19438720), (4, 9719360), (5, 7775488), (7, 5553920), (8, 4859680), (10, 3887744), (14, 2776960), (16, 2429840), (20, 1943872), (28, 1388480), (32, 1214920), (35, 1110784), (40, 971936), (56, 694240), (64, 607460), (70, 555392), (80, 485968), (112, 347120), (128, 303730), (140, 277696), (160, 242984), (224, 173560), (256, 151865), (280, 138848), (320, 121492), (448, 86780), (560, 69424), (640, 60746), (896, 43390), (1120, 34712), (1280, 30373), (1792, 21695), (2240, 17356), (4339, 8960), (4480, 8678)]