27801658880

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{111959}}^1$

素因数の和:112079

約数の個数: 80

約数和(自身を含む): 67346627040

約数和(自身を除く): 39544968160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 776, 970, 1280, 1552, 1940, 2560, 3104, 3880, 6208, 7760, 12416, 15520, 24832, 31040, 49664, 62080, 111959, 124160, 223918, 248320, 447836, 559795, 895672, 1119590, 1791344, 2239180, 3582688, 4478360, 7165376, 8956720, 10860023, 14330752, 17913440, 21720046, 28661504, 35826880, 43440092, 54300115, 57323008, 71653760, 86880184, 108600230, 143307520, 173760368, 217200460, 286615040, 347520736, 434400920, 695041472, 868801840, 1390082944, 1737603680, 2780165888, 3475207360, 5560331776, 6950414720, 13900829440, 27801658880]

約数ペア:

[(1, 27801658880), (2, 13900829440), (4, 6950414720), (5, 5560331776), (8, 3475207360), (10, 2780165888), (16, 1737603680), (20, 1390082944), (32, 868801840), (40, 695041472), (64, 434400920), (80, 347520736), (97, 286615040), (128, 217200460), (160, 173760368), (194, 143307520), (256, 108600230), (320, 86880184), (388, 71653760), (485, 57323008), (512, 54300115), (640, 43440092), (776, 35826880), (970, 28661504), (1280, 21720046), (1552, 17913440), (1940, 14330752), (2560, 10860023), (3104, 8956720), (3880, 7165376), (6208, 4478360), (7760, 3582688), (12416, 2239180), (15520, 1791344), (24832, 1119590), (31040, 895672), (49664, 559795), (62080, 447836), (111959, 248320), (124160, 223918)]