99614720

素因数分解:

$2^{20}\times 5^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 84

約数和(自身を含む): 251658120

約数和(自身を除く): 152043400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 4096, 4864, 5120, 6080, 8192, 9728, 10240, 12160, 16384, 19456, 20480, 24320, 32768, 38912, 40960, 48640, 65536, 77824, 81920, 97280, 131072, 155648, 163840, 194560, 262144, 311296, 327680, 389120, 524288, 622592, 655360, 778240, 1048576, 1245184, 1310720, 1556480, 2490368, 2621440, 3112960, 4980736, 5242880, 6225920, 9961472, 12451840, 19922944, 24903680, 49807360, 99614720]

約数ペア:

[(1, 99614720), (2, 49807360), (4, 24903680), (5, 19922944), (8, 12451840), (10, 9961472), (16, 6225920), (19, 5242880), (20, 4980736), (32, 3112960), (38, 2621440), (40, 2490368), (64, 1556480), (76, 1310720), (80, 1245184), (95, 1048576), (128, 778240), (152, 655360), (160, 622592), (190, 524288), (256, 389120), (304, 327680), (320, 311296), (380, 262144), (512, 194560), (608, 163840), (640, 155648), (760, 131072), (1024, 97280), (1216, 81920), (1280, 77824), (1520, 65536), (2048, 48640), (2432, 40960), (2560, 38912), (3040, 32768), (4096, 24320), (4864, 20480), (5120, 19456), (6080, 16384), (8192, 12160), (9728, 10240)]