8013440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 20196000

約数和(自身を除く): 12182560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 659, 760, 1216, 1318, 1520, 2432, 2636, 3040, 3295, 5272, 6080, 6590, 10544, 12160, 12521, 13180, 21088, 25042, 26360, 42176, 50084, 52720, 62605, 84352, 100168, 105440, 125210, 200336, 210880, 250420, 400672, 421760, 500840, 801344, 1001680, 1602688, 2003360, 4006720, 8013440]

約数ペア:

[(1, 8013440), (2, 4006720), (4, 2003360), (5, 1602688), (8, 1001680), (10, 801344), (16, 500840), (19, 421760), (20, 400672), (32, 250420), (38, 210880), (40, 200336), (64, 125210), (76, 105440), (80, 100168), (95, 84352), (128, 62605), (152, 52720), (160, 50084), (190, 42176), (304, 26360), (320, 25042), (380, 21088), (608, 13180), (640, 12521), (659, 12160), (760, 10544), (1216, 6590), (1318, 6080), (1520, 5272), (2432, 3295), (2636, 3040)]