325818880

素因数分解:

$2^9\times 5^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1089

約数の個数: 80

約数和(自身を含む): 787750920

約数和(自身を除く): 461932040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 512, 548, 640, 685, 929, 1096, 1280, 1370, 1858, 2192, 2560, 2740, 3716, 4384, 4645, 5480, 7432, 8768, 9290, 10960, 14864, 17536, 18580, 21920, 29728, 35072, 37160, 43840, 59456, 70144, 74320, 87680, 118912, 127273, 148640, 175360, 237824, 254546, 297280, 350720, 475648, 509092, 594560, 636365, 1018184, 1189120, 1272730, 2036368, 2378240, 2545460, 4072736, 5090920, 8145472, 10181840, 16290944, 20363680, 32581888, 40727360, 65163776, 81454720, 162909440, 325818880]

約数ペア:

[(1, 325818880), (2, 162909440), (4, 81454720), (5, 65163776), (8, 40727360), (10, 32581888), (16, 20363680), (20, 16290944), (32, 10181840), (40, 8145472), (64, 5090920), (80, 4072736), (128, 2545460), (137, 2378240), (160, 2036368), (256, 1272730), (274, 1189120), (320, 1018184), (512, 636365), (548, 594560), (640, 509092), (685, 475648), (929, 350720), (1096, 297280), (1280, 254546), (1370, 237824), (1858, 175360), (2192, 148640), (2560, 127273), (2740, 118912), (3716, 87680), (4384, 74320), (4645, 70144), (5480, 59456), (7432, 43840), (8768, 37160), (9290, 35072), (10960, 29728), (14864, 21920), (17536, 18580)]