258773120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13043}}^1$

素因数の和:13093

約数の個数: 64

約数和(自身を含む): 638634240

約数和(自身を除く): 379861120

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, 13043, 19840, 26086, 52172, 65215, 104344, 130430, 208688, 260860, 404333, 417376, 521720, 808666, 834752, 1043440, 1617332, 1669504, 2021665, 2086880, 3234664, 4043330, 4173760, 6469328, 8086660, 8347520, 12938656, 16173320, 25877312, 32346640, 51754624, 64693280, 129386560, 258773120]

約数ペア:

[(1, 258773120), (2, 129386560), (4, 64693280), (5, 51754624), (8, 32346640), (10, 25877312), (16, 16173320), (20, 12938656), (31, 8347520), (32, 8086660), (40, 6469328), (62, 4173760), (64, 4043330), (80, 3234664), (124, 2086880), (128, 2021665), (155, 1669504), (160, 1617332), (248, 1043440), (310, 834752), (320, 808666), (496, 521720), (620, 417376), (640, 404333), (992, 260860), (1240, 208688), (1984, 130430), (2480, 104344), (3968, 65215), (4960, 52172), (9920, 26086), (13043, 19840)]