89128960

素因数分解:

$2^{20}\times 5^1\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 84

約数和(自身を含む): 226492308

約数和(自身を除く): 137363348

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, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 4096, 4352, 5120, 5440, 8192, 8704, 10240, 10880, 16384, 17408, 20480, 21760, 32768, 34816, 40960, 43520, 65536, 69632, 81920, 87040, 131072, 139264, 163840, 174080, 262144, 278528, 327680, 348160, 524288, 557056, 655360, 696320, 1048576, 1114112, 1310720, 1392640, 2228224, 2621440, 2785280, 4456448, 5242880, 5570560, 8912896, 11141120, 17825792, 22282240, 44564480, 89128960]

約数ペア:

[(1, 89128960), (2, 44564480), (4, 22282240), (5, 17825792), (8, 11141120), (10, 8912896), (16, 5570560), (17, 5242880), (20, 4456448), (32, 2785280), (34, 2621440), (40, 2228224), (64, 1392640), (68, 1310720), (80, 1114112), (85, 1048576), (128, 696320), (136, 655360), (160, 557056), (170, 524288), (256, 348160), (272, 327680), (320, 278528), (340, 262144), (512, 174080), (544, 163840), (640, 139264), (680, 131072), (1024, 87040), (1088, 81920), (1280, 69632), (1360, 65536), (2048, 43520), (2176, 40960), (2560, 34816), (2720, 32768), (4096, 21760), (4352, 20480), (5120, 17408), (5440, 16384), (8192, 10880), (8704, 10240)]