49123840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:673

約数の個数: 80

約数和(自身を含む): 121777920

約数和(自身を除く): 72654080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 619, 620, 640, 992, 1238, 1240, 1280, 1984, 2476, 2480, 2560, 3095, 3968, 4952, 4960, 6190, 7936, 9904, 9920, 12380, 15872, 19189, 19808, 19840, 24760, 38378, 39616, 39680, 49520, 76756, 79232, 79360, 95945, 99040, 153512, 158464, 191890, 198080, 307024, 316928, 383780, 396160, 614048, 767560, 792320, 1228096, 1535120, 1584640, 2456192, 3070240, 4912384, 6140480, 9824768, 12280960, 24561920, 49123840]

約数ペア:

[(1, 49123840), (2, 24561920), (4, 12280960), (5, 9824768), (8, 6140480), (10, 4912384), (16, 3070240), (20, 2456192), (31, 1584640), (32, 1535120), (40, 1228096), (62, 792320), (64, 767560), (80, 614048), (124, 396160), (128, 383780), (155, 316928), (160, 307024), (248, 198080), (256, 191890), (310, 158464), (320, 153512), (496, 99040), (512, 95945), (619, 79360), (620, 79232), (640, 76756), (992, 49520), (1238, 39680), (1240, 39616), (1280, 38378), (1984, 24760), (2476, 19840), (2480, 19808), (2560, 19189), (3095, 15872), (3968, 12380), (4952, 9920), (4960, 9904), (6190, 7936)]