988885120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49843}}^1$

素因数の和:49893

約数の個数: 64

約数和(自身を含む): 2440362240

約数和(自身を除く): 1451477120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 49843, 99686, 199372, 249215, 398744, 498430, 797488, 996860, 1545133, 1594976, 1993720, 3090266, 3189952, 3987440, 6180532, 6379904, 7725665, 7974880, 12361064, 15451330, 15949760, 24722128, 30902660, 31899520, 49444256, 61805320, 98888512, 123610640, 197777024, 247221280, 494442560, 988885120]

約数ペア:

[(1, 988885120), (2, 494442560), (4, 247221280), (5, 197777024), (8, 123610640), (10, 98888512), (16, 61805320), (20, 49444256), (31, 31899520), (32, 30902660), (40, 24722128), (62, 15949760), (64, 15451330), (80, 12361064), (124, 7974880), (128, 7725665), (155, 6379904), (160, 6180532), (248, 3987440), (310, 3189952), (320, 3090266), (496, 1993720), (620, 1594976), (640, 1545133), (992, 996860), (1240, 797488), (1984, 498430), (2480, 398744), (3968, 249215), (4960, 199372), (9920, 99686), (19840, 49843)]