40680320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3739}}^1$

素因数の和:3775

約数の個数: 64

約数和(自身を含む): 102999600

約数和(自身を除く): 62319280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 3739, 5440, 7478, 10880, 14956, 18695, 29912, 37390, 59824, 63563, 74780, 119648, 127126, 149560, 239296, 254252, 299120, 317815, 478592, 508504, 598240, 635630, 1017008, 1196480, 1271260, 2034016, 2392960, 2542520, 4068032, 5085040, 8136064, 10170080, 20340160, 40680320]

約数ペア:

[(1, 40680320), (2, 20340160), (4, 10170080), (5, 8136064), (8, 5085040), (10, 4068032), (16, 2542520), (17, 2392960), (20, 2034016), (32, 1271260), (34, 1196480), (40, 1017008), (64, 635630), (68, 598240), (80, 508504), (85, 478592), (128, 317815), (136, 299120), (160, 254252), (170, 239296), (272, 149560), (320, 127126), (340, 119648), (544, 74780), (640, 63563), (680, 59824), (1088, 37390), (1360, 29912), (2176, 18695), (2720, 14956), (3739, 10880), (5440, 7478)]