8040320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 20379600

約数和(自身を除く): 12339280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 739, 1088, 1360, 1478, 2176, 2720, 2956, 3695, 5440, 5912, 7390, 10880, 11824, 12563, 14780, 23648, 25126, 29560, 47296, 50252, 59120, 62815, 94592, 100504, 118240, 125630, 201008, 236480, 251260, 402016, 472960, 502520, 804032, 1005040, 1608064, 2010080, 4020160, 8040320]

約数ペア:

[(1, 8040320), (2, 4020160), (4, 2010080), (5, 1608064), (8, 1005040), (10, 804032), (16, 502520), (17, 472960), (20, 402016), (32, 251260), (34, 236480), (40, 201008), (64, 125630), (68, 118240), (80, 100504), (85, 94592), (128, 62815), (136, 59120), (160, 50252), (170, 47296), (272, 29560), (320, 25126), (340, 23648), (544, 14780), (640, 12563), (680, 11824), (739, 10880), (1088, 7390), (1360, 5912), (1478, 5440), (2176, 3695), (2720, 2956)]