28810240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 88

約数和(自身を含む): 73397232

約数和(自身を除く): 44586992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 331, 340, 512, 544, 640, 662, 680, 1024, 1088, 1280, 1324, 1360, 1655, 2176, 2560, 2648, 2720, 3310, 4352, 5120, 5296, 5440, 5627, 6620, 8704, 10592, 10880, 11254, 13240, 17408, 21184, 21760, 22508, 26480, 28135, 42368, 43520, 45016, 52960, 56270, 84736, 87040, 90032, 105920, 112540, 169472, 180064, 211840, 225080, 338944, 360128, 423680, 450160, 720256, 847360, 900320, 1440512, 1694720, 1800640, 2881024, 3601280, 5762048, 7202560, 14405120, 28810240]

約数ペア:

[(1, 28810240), (2, 14405120), (4, 7202560), (5, 5762048), (8, 3601280), (10, 2881024), (16, 1800640), (17, 1694720), (20, 1440512), (32, 900320), (34, 847360), (40, 720256), (64, 450160), (68, 423680), (80, 360128), (85, 338944), (128, 225080), (136, 211840), (160, 180064), (170, 169472), (256, 112540), (272, 105920), (320, 90032), (331, 87040), (340, 84736), (512, 56270), (544, 52960), (640, 45016), (662, 43520), (680, 42368), (1024, 28135), (1088, 26480), (1280, 22508), (1324, 21760), (1360, 21184), (1655, 17408), (2176, 13240), (2560, 11254), (2648, 10880), (2720, 10592), (3310, 8704), (4352, 6620), (5120, 5627), (5296, 5440)]